Home / 94,721.59-130,715.80-64,559.61

Finding the Fourth Proportional to 94,721.59, 130,715.80 and 64,559.61

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Solution

The fourth proportional to 94,721.59, 130,715.80 and 64,559.61 is: 89,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,721.59 : 130,715.80 = 64,559.61 : x
  2. Step 2: Convert to fraction form
    94,721.59/130,715.80 = 64,559.61/x
  3. Step 3: Cross multiply
    94,721.59x = 130,715.80 × 64,559.61
  4. Step 4: Simplify right side
    94,721.59x = 8,438,960,092.46
  5. Step 5: Solve for x
    x = 8,438,960,092.46/94,721.59
  6. Step 6: Final answer
    x = 89,092.26

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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.