Home / 99,102.50-136,768.19-56,082.02

Finding the Fourth Proportional to 99,102.50, 136,768.19 and 56,082.02

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Solution

The fourth proportional to 99,102.50, 136,768.19 and 56,082.02 is: 77,397.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,102.50 : 136,768.19 = 56,082.02 : x
  2. Step 2: Convert to fraction form
    99,102.50/136,768.19 = 56,082.02/x
  3. Step 3: Cross multiply
    99,102.50x = 136,768.19 × 56,082.02
  4. Step 4: Simplify right side
    99,102.50x = 7,670,235,402.69
  5. Step 5: Solve for x
    x = 7,670,235,402.69/99,102.50
  6. Step 6: Final answer
    x = 77,397.00

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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.