Home / 62,631.19-86,430.95-34,338.70

Finding the Fourth Proportional to 62,631.19, 86,430.95 and 34,338.70

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Solution

The fourth proportional to 62,631.19, 86,430.95 and 34,338.70 is: 47,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,631.19 : 86,430.95 = 34,338.70 : x
  2. Step 2: Convert to fraction form
    62,631.19/86,430.95 = 34,338.70/x
  3. Step 3: Cross multiply
    62,631.19x = 86,430.95 × 34,338.70
  4. Step 4: Simplify right side
    62,631.19x = 2,967,926,527.88
  5. Step 5: Solve for x
    x = 2,967,926,527.88/62,631.19
  6. Step 6: Final answer
    x = 47,387.36

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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.