Home / 77,844.16-107,339.52-52,649.92

Finding the Fourth Proportional to 77,844.16, 107,339.52 and 52,649.92

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Solution

The fourth proportional to 77,844.16, 107,339.52 and 52,649.92 is: 72,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,844.16 : 107,339.52 = 52,649.92 : x
  2. Step 2: Convert to fraction form
    77,844.16/107,339.52 = 52,649.92/x
  3. Step 3: Cross multiply
    77,844.16x = 107,339.52 × 52,649.92
  4. Step 4: Simplify right side
    77,844.16x = 5,651,417,140.84
  5. Step 5: Solve for x
    x = 5,651,417,140.84/77,844.16
  6. Step 6: Final answer
    x = 72,599.12

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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.