Home / 125,948.42-173,779.02-71,488.47

Finding the Fourth Proportional to 125,948.42, 173,779.02 and 71,488.47

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Solution

The fourth proportional to 125,948.42, 173,779.02 and 71,488.47 is: 98,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,948.42 : 173,779.02 = 71,488.47 : x
  2. Step 2: Convert to fraction form
    125,948.42/173,779.02 = 71,488.47/x
  3. Step 3: Cross multiply
    125,948.42x = 173,779.02 × 71,488.47
  4. Step 4: Simplify right side
    125,948.42x = 12,423,196,909.57
  5. Step 5: Solve for x
    x = 12,423,196,909.57/125,948.42
  6. Step 6: Final answer
    x = 98,637.18

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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.