Home / 45,778.17-68,663.36-14,187.52

Finding the Fourth Proportional to 45,778.17, 68,663.36 and 14,187.52

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Solution

The fourth proportional to 45,778.17, 68,663.36 and 14,187.52 is: 21,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,778.17 : 68,663.36 = 14,187.52 : x
  2. Step 2: Convert to fraction form
    45,778.17/68,663.36 = 14,187.52/x
  3. Step 3: Cross multiply
    45,778.17x = 68,663.36 × 14,187.52
  4. Step 4: Simplify right side
    45,778.17x = 974,162,914.57
  5. Step 5: Solve for x
    x = 974,162,914.57/45,778.17
  6. Step 6: Final answer
    x = 21,280.07

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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.