Home / 98,337.50-135,717.40-55,902.42

Finding the Fourth Proportional to 98,337.50, 135,717.40 and 55,902.42

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Solution

The fourth proportional to 98,337.50, 135,717.40 and 55,902.42 is: 77,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,337.50 : 135,717.40 = 55,902.42 : x
  2. Step 2: Convert to fraction form
    98,337.50/135,717.40 = 55,902.42/x
  3. Step 3: Cross multiply
    98,337.50x = 135,717.40 × 55,902.42
  4. Step 4: Simplify right side
    98,337.50x = 7,586,931,096.11
  5. Step 5: Solve for x
    x = 7,586,931,096.11/98,337.50
  6. Step 6: Final answer
    x = 77,151.96

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1.5x scale

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.