Home / 88,312.50-132,436.35-29,130.66

Finding the Fourth Proportional to 88,312.50, 132,436.35 and 29,130.66

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Solution

The fourth proportional to 88,312.50, 132,436.35 and 29,130.66 is: 43,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,312.50 : 132,436.35 = 29,130.66 : x
  2. Step 2: Convert to fraction form
    88,312.50/132,436.35 = 29,130.66/x
  3. Step 3: Cross multiply
    88,312.50x = 132,436.35 × 29,130.66
  4. Step 4: Simplify right side
    88,312.50x = 3,857,958,283.49
  5. Step 5: Solve for x
    x = 3,857,958,283.49/88,312.50
  6. Step 6: Final answer
    x = 43,685.30

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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.