Home / 83,977.84-125,966.60-57,602.72

Finding the Fourth Proportional to 83,977.84, 125,966.60 and 57,602.72

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Solution

The fourth proportional to 83,977.84, 125,966.60 and 57,602.72 is: 86,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,977.84 : 125,966.60 = 57,602.72 : x
  2. Step 2: Convert to fraction form
    83,977.84/125,966.60 = 57,602.72/x
  3. Step 3: Cross multiply
    83,977.84x = 125,966.60 × 57,602.72
  4. Step 4: Simplify right side
    83,977.84x = 7,256,018,789.15
  5. Step 5: Solve for x
    x = 7,256,018,789.15/83,977.84
  6. Step 6: Final answer
    x = 86,403.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.