Home / 125,423.25-173,084.20-71,709.39

Finding the Fourth Proportional to 125,423.25, 173,084.20 and 71,709.39

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Solution

The fourth proportional to 125,423.25, 173,084.20 and 71,709.39 is: 98,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,423.25 : 173,084.20 = 71,709.39 : x
  2. Step 2: Convert to fraction form
    125,423.25/173,084.20 = 71,709.39/x
  3. Step 3: Cross multiply
    125,423.25x = 173,084.20 × 71,709.39
  4. Step 4: Simplify right side
    125,423.25x = 12,411,762,221.36
  5. Step 5: Solve for x
    x = 12,411,762,221.36/125,423.25
  6. Step 6: Final answer
    x = 98,959.03

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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.