Home / 45,827.06-68,740.68-12,547.46

Finding the Fourth Proportional to 45,827.06, 68,740.68 and 12,547.46

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Solution

The fourth proportional to 45,827.06, 68,740.68 and 12,547.46 is: 18,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,827.06 : 68,740.68 = 12,547.46 : x
  2. Step 2: Convert to fraction form
    45,827.06/68,740.68 = 12,547.46/x
  3. Step 3: Cross multiply
    45,827.06x = 68,740.68 × 12,547.46
  4. Step 4: Simplify right side
    45,827.06x = 862,520,588.97
  5. Step 5: Solve for x
    x = 862,520,588.97/45,827.06
  6. Step 6: Final answer
    x = 18,821.21

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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.