Home / 72,001.40-108,002.10-58,868.60

Finding the Fourth Proportional to 72,001.40, 108,002.10 and 58,868.60

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Solution

The fourth proportional to 72,001.40, 108,002.10 and 58,868.60 is: 88,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,001.40 : 108,002.10 = 58,868.60 : x
  2. Step 2: Convert to fraction form
    72,001.40/108,002.10 = 58,868.60/x
  3. Step 3: Cross multiply
    72,001.40x = 108,002.10 × 58,868.60
  4. Step 4: Simplify right side
    72,001.40x = 6,357,932,424.06
  5. Step 5: Solve for x
    x = 6,357,932,424.06/72,001.40
  6. Step 6: Final answer
    x = 88,302.90

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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.