Home / 77,488.95-116,306.19-38,074.35

Finding the Fourth Proportional to 77,488.95, 116,306.19 and 38,074.35

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Solution

The fourth proportional to 77,488.95, 116,306.19 and 38,074.35 is: 57,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,488.95 : 116,306.19 = 38,074.35 : x
  2. Step 2: Convert to fraction form
    77,488.95/116,306.19 = 38,074.35/x
  3. Step 3: Cross multiply
    77,488.95x = 116,306.19 × 38,074.35
  4. Step 4: Simplify right side
    77,488.95x = 4,428,282,585.23
  5. Step 5: Solve for x
    x = 4,428,282,585.23/77,488.95
  6. Step 6: Final answer
    x = 57,147.28

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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.