Home / 72,210.35-108,225.15-34,760.39

Finding the Fourth Proportional to 72,210.35, 108,225.15 and 34,760.39

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Solution

The fourth proportional to 72,210.35, 108,225.15 and 34,760.39 is: 52,097.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,210.35 : 108,225.15 = 34,760.39 : x
  2. Step 2: Convert to fraction form
    72,210.35/108,225.15 = 34,760.39/x
  3. Step 3: Cross multiply
    72,210.35x = 108,225.15 × 34,760.39
  4. Step 4: Simplify right side
    72,210.35x = 3,761,948,421.81
  5. Step 5: Solve for x
    x = 3,761,948,421.81/72,210.35
  6. Step 6: Final answer
    x = 52,097.08

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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.