Home / 87,862.50-121,250.07-47,576.25

Finding the Fourth Proportional to 87,862.50, 121,250.07 and 47,576.25

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Solution

The fourth proportional to 87,862.50, 121,250.07 and 47,576.25 is: 65,655.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,862.50 : 121,250.07 = 47,576.25 : x
  2. Step 2: Convert to fraction form
    87,862.50/121,250.07 = 47,576.25/x
  3. Step 3: Cross multiply
    87,862.50x = 121,250.07 × 47,576.25
  4. Step 4: Simplify right side
    87,862.50x = 5,768,623,642.84
  5. Step 5: Solve for x
    x = 5,768,623,642.84/87,862.50
  6. Step 6: Final answer
    x = 65,655.13

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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.