Home / 71,930.40-99,038.04-61,154.04

Finding the Fourth Proportional to 71,930.40, 99,038.04 and 61,154.04

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Solution

The fourth proportional to 71,930.40, 99,038.04 and 61,154.04 is: 84,200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,930.40 : 99,038.04 = 61,154.04 : x
  2. Step 2: Convert to fraction form
    71,930.40/99,038.04 = 61,154.04/x
  3. Step 3: Cross multiply
    71,930.40x = 99,038.04 × 61,154.04
  4. Step 4: Simplify right side
    71,930.40x = 6,056,576,259.68
  5. Step 5: Solve for x
    x = 6,056,576,259.68/71,930.40
  6. Step 6: Final answer
    x = 84,200.51

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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.