Home / 87,866.04-121,250.34-52,059.36

Finding the Fourth Proportional to 87,866.04, 121,250.34 and 52,059.36

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Solution

The fourth proportional to 87,866.04, 121,250.34 and 52,059.36 is: 71,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,866.04 : 121,250.34 = 52,059.36 : x
  2. Step 2: Convert to fraction form
    87,866.04/121,250.34 = 52,059.36/x
  3. Step 3: Cross multiply
    87,866.04x = 121,250.34 × 52,059.36
  4. Step 4: Simplify right side
    87,866.04x = 6,312,215,100.18
  5. Step 5: Solve for x
    x = 6,312,215,100.18/87,866.04
  6. Step 6: Final answer
    x = 71,839.08

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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.