Home / 109,631.90-151,292.49-59,330.90

Finding the Fourth Proportional to 109,631.90, 151,292.49 and 59,330.90

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Solution

The fourth proportional to 109,631.90, 151,292.49 and 59,330.90 is: 81,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,631.90 : 151,292.49 = 59,330.90 : x
  2. Step 2: Convert to fraction form
    109,631.90/151,292.49 = 59,330.90/x
  3. Step 3: Cross multiply
    109,631.90x = 151,292.49 × 59,330.90
  4. Step 4: Simplify right side
    109,631.90x = 8,976,319,594.94
  5. Step 5: Solve for x
    x = 8,976,319,594.94/109,631.90
  6. Step 6: Final answer
    x = 81,876.90

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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.