Home / 77,454.72-106,920.08-52,338.24

Finding the Fourth Proportional to 77,454.72, 106,920.08 and 52,338.24

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Solution

The fourth proportional to 77,454.72, 106,920.08 and 52,338.24 is: 72,248.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,454.72 : 106,920.08 = 52,338.24 : x
  2. Step 2: Convert to fraction form
    77,454.72/106,920.08 = 52,338.24/x
  3. Step 3: Cross multiply
    77,454.72x = 106,920.08 × 52,338.24
  4. Step 4: Simplify right side
    77,454.72x = 5,596,008,807.86
  5. Step 5: Solve for x
    x = 5,596,008,807.86/77,454.72
  6. Step 6: Final answer
    x = 72,248.78

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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.