Home / 70,766.19-97,666.83-64,787.13

Finding the Fourth Proportional to 70,766.19, 97,666.83 and 64,787.13

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Solution

The fourth proportional to 70,766.19, 97,666.83 and 64,787.13 is: 89,414.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,766.19 : 97,666.83 = 64,787.13 : x
  2. Step 2: Convert to fraction form
    70,766.19/97,666.83 = 64,787.13/x
  3. Step 3: Cross multiply
    70,766.19x = 97,666.83 × 64,787.13
  4. Step 4: Simplify right side
    70,766.19x = 6,327,553,611.90
  5. Step 5: Solve for x
    x = 6,327,553,611.90/70,766.19
  6. Step 6: Final answer
    x = 89,414.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.