Home / 45,444.02-68,160.56-12,166.65

Finding the Fourth Proportional to 45,444.02, 68,160.56 and 12,166.65

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Solution

The fourth proportional to 45,444.02, 68,160.56 and 12,166.65 is: 18,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,444.02 : 68,160.56 = 12,166.65 : x
  2. Step 2: Convert to fraction form
    45,444.02/68,160.56 = 12,166.65/x
  3. Step 3: Cross multiply
    45,444.02x = 68,160.56 × 12,166.65
  4. Step 4: Simplify right side
    45,444.02x = 829,285,616.49
  5. Step 5: Solve for x
    x = 829,285,616.49/45,444.02
  6. Step 6: Final answer
    x = 18,248.51

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.