Home / 77,627.40-107,166.60-52,267.11

Finding the Fourth Proportional to 77,627.40, 107,166.60 and 52,267.11

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Solution

The fourth proportional to 77,627.40, 107,166.60 and 52,267.11 is: 72,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,627.40 : 107,166.60 = 52,267.11 : x
  2. Step 2: Convert to fraction form
    77,627.40/107,166.60 = 52,267.11/x
  3. Step 3: Cross multiply
    77,627.40x = 107,166.60 × 52,267.11
  4. Step 4: Simplify right side
    77,627.40x = 5,601,288,470.53
  5. Step 5: Solve for x
    x = 5,601,288,470.53/77,627.40
  6. Step 6: Final answer
    x = 72,156.07

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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.