Home / 77,569.20-107,055.32-47,348.01

Finding the Fourth Proportional to 77,569.20, 107,055.32 and 47,348.01

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Solution

The fourth proportional to 77,569.20, 107,055.32 and 47,348.01 is: 65,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,569.20 : 107,055.32 = 47,348.01 : x
  2. Step 2: Convert to fraction form
    77,569.20/107,055.32 = 47,348.01/x
  3. Step 3: Cross multiply
    77,569.20x = 107,055.32 × 47,348.01
  4. Step 4: Simplify right side
    77,569.20x = 5,068,856,125.17
  5. Step 5: Solve for x
    x = 5,068,856,125.17/77,569.20
  6. Step 6: Final answer
    x = 65,346.25

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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.