Home / 62,139.48-93,117.05-45,642.84

Finding the Fourth Proportional to 62,139.48, 93,117.05 and 45,642.84

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Solution

The fourth proportional to 62,139.48, 93,117.05 and 45,642.84 is: 68,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,139.48 : 93,117.05 = 45,642.84 : x
  2. Step 2: Convert to fraction form
    62,139.48/93,117.05 = 45,642.84/x
  3. Step 3: Cross multiply
    62,139.48x = 93,117.05 × 45,642.84
  4. Step 4: Simplify right side
    62,139.48x = 4,250,126,614.42
  5. Step 5: Solve for x
    x = 4,250,126,614.42/62,139.48
  6. Step 6: Final answer
    x = 68,396.56

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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.