Home / 77,800.23-107,366.45-47,585.00

Finding the Fourth Proportional to 77,800.23, 107,366.45 and 47,585.00

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Solution

The fourth proportional to 77,800.23, 107,366.45 and 47,585.00 is: 65,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,800.23 : 107,366.45 = 47,585.00 : x
  2. Step 2: Convert to fraction form
    77,800.23/107,366.45 = 47,585.00/x
  3. Step 3: Cross multiply
    77,800.23x = 107,366.45 × 47,585.00
  4. Step 4: Simplify right side
    77,800.23x = 5,109,032,553.74
  5. Step 5: Solve for x
    x = 5,109,032,553.74/77,800.23
  6. Step 6: Final answer
    x = 65,668.60

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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.