Home / 58,139.61-80,257.02-49,233.21

Finding the Fourth Proportional to 58,139.61, 80,257.02 and 49,233.21

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Solution

The fourth proportional to 58,139.61, 80,257.02 and 49,233.21 is: 67,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,139.61 : 80,257.02 = 49,233.21 : x
  2. Step 2: Convert to fraction form
    58,139.61/80,257.02 = 49,233.21/x
  3. Step 3: Cross multiply
    58,139.61x = 80,257.02 × 49,233.21
  4. Step 4: Simplify right side
    58,139.61x = 3,951,310,719.63
  5. Step 5: Solve for x
    x = 3,951,310,719.63/58,139.61
  6. Step 6: Final answer
    x = 67,962.46

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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.