Home / 88,621.71-132,888.15-29,436.63

Finding the Fourth Proportional to 88,621.71, 132,888.15 and 29,436.63

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Solution

The fourth proportional to 88,621.71, 132,888.15 and 29,436.63 is: 44,140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,621.71 : 132,888.15 = 29,436.63 : x
  2. Step 2: Convert to fraction form
    88,621.71/132,888.15 = 29,436.63/x
  3. Step 3: Cross multiply
    88,621.71x = 132,888.15 × 29,436.63
  4. Step 4: Simplify right side
    88,621.71x = 3,911,779,302.93
  5. Step 5: Solve for x
    x = 3,911,779,302.93/88,621.71
  6. Step 6: Final answer
    x = 44,140.19

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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.