Home / 67,501.40-101,187.30-52,500.20

Finding the Fourth Proportional to 67,501.40, 101,187.30 and 52,500.20

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Solution

The fourth proportional to 67,501.40, 101,187.30 and 52,500.20 is: 78,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,501.40 : 101,187.30 = 52,500.20 : x
  2. Step 2: Convert to fraction form
    67,501.40/101,187.30 = 52,500.20/x
  3. Step 3: Cross multiply
    67,501.40x = 101,187.30 × 52,500.20
  4. Step 4: Simplify right side
    67,501.40x = 5,312,353,487.46
  5. Step 5: Solve for x
    x = 5,312,353,487.46/67,501.40
  6. Step 6: Final answer
    x = 78,699.90

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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.