Home / 83,715.16-125,558.74-27,555.88

Finding the Fourth Proportional to 83,715.16, 125,558.74 and 27,555.88

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Solution

The fourth proportional to 83,715.16, 125,558.74 and 27,555.88 is: 41,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,715.16 : 125,558.74 = 27,555.88 : x
  2. Step 2: Convert to fraction form
    83,715.16/125,558.74 = 27,555.88/x
  3. Step 3: Cross multiply
    83,715.16x = 125,558.74 × 27,555.88
  4. Step 4: Simplify right side
    83,715.16x = 3,459,881,572.39
  5. Step 5: Solve for x
    x = 3,459,881,572.39/83,715.16
  6. Step 6: Final answer
    x = 41,329.21

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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.