Home / 72,001.90-108,002.85-58,869.10

Finding the Fourth Proportional to 72,001.90, 108,002.85 and 58,869.10

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Solution

The fourth proportional to 72,001.90, 108,002.85 and 58,869.10 is: 88,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,001.90 : 108,002.85 = 58,869.10 : x
  2. Step 2: Convert to fraction form
    72,001.90/108,002.85 = 58,869.10/x
  3. Step 3: Cross multiply
    72,001.90x = 108,002.85 × 58,869.10
  4. Step 4: Simplify right side
    72,001.90x = 6,358,030,576.94
  5. Step 5: Solve for x
    x = 6,358,030,576.94/72,001.90
  6. Step 6: Final answer
    x = 88,303.65

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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.