Home / 84,710.04-116,921.15-57,532.15

Finding the Fourth Proportional to 84,710.04, 116,921.15 and 57,532.15

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Solution

The fourth proportional to 84,710.04, 116,921.15 and 57,532.15 is: 79,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,710.04 : 116,921.15 = 57,532.15 : x
  2. Step 2: Convert to fraction form
    84,710.04/116,921.15 = 57,532.15/x
  3. Step 3: Cross multiply
    84,710.04x = 116,921.15 × 57,532.15
  4. Step 4: Simplify right side
    84,710.04x = 6,726,725,139.97
  5. Step 5: Solve for x
    x = 6,726,725,139.97/84,710.04
  6. Step 6: Final answer
    x = 79,408.83

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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.