Home / 94,281.17-130,294.71-77,258.61

Finding the Fourth Proportional to 94,281.17, 130,294.71 and 77,258.61

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Solution

The fourth proportional to 94,281.17, 130,294.71 and 77,258.61 is: 106,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,281.17 : 130,294.71 = 77,258.61 : x
  2. Step 2: Convert to fraction form
    94,281.17/130,294.71 = 77,258.61/x
  3. Step 3: Cross multiply
    94,281.17x = 130,294.71 × 77,258.61
  4. Step 4: Simplify right side
    94,281.17x = 10,066,388,184.95
  5. Step 5: Solve for x
    x = 10,066,388,184.95/94,281.17
  6. Step 6: Final answer
    x = 106,769.87

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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.