Home / 58,306.97-80,607.15-57,774.20

Finding the Fourth Proportional to 58,306.97, 80,607.15 and 57,774.20

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Solution

The fourth proportional to 58,306.97, 80,607.15 and 57,774.20 is: 79,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,306.97 : 80,607.15 = 57,774.20 : x
  2. Step 2: Convert to fraction form
    58,306.97/80,607.15 = 57,774.20/x
  3. Step 3: Cross multiply
    58,306.97x = 80,607.15 × 57,774.20
  4. Step 4: Simplify right side
    58,306.97x = 4,657,013,202.49
  5. Step 5: Solve for x
    x = 4,657,013,202.49/58,306.97
  6. Step 6: Final answer
    x = 79,870.61

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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.