Home / 66,472.08-99,646.56-34,875.60

Finding the Fourth Proportional to 66,472.08, 99,646.56 and 34,875.60

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Solution

The fourth proportional to 66,472.08, 99,646.56 and 34,875.60 is: 52,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,472.08 : 99,646.56 = 34,875.60 : x
  2. Step 2: Convert to fraction form
    66,472.08/99,646.56 = 34,875.60/x
  3. Step 3: Cross multiply
    66,472.08x = 99,646.56 × 34,875.60
  4. Step 4: Simplify right side
    66,472.08x = 3,475,233,567.94
  5. Step 5: Solve for x
    x = 3,475,233,567.94/66,472.08
  6. Step 6: Final answer
    x = 52,281.10

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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.