Home / 125,587.55-188,363.10-36,831.80

Finding the Fourth Proportional to 125,587.55, 188,363.10 and 36,831.80

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Solution

The fourth proportional to 125,587.55, 188,363.10 and 36,831.80 is: 55,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,587.55 : 188,363.10 = 36,831.80 : x
  2. Step 2: Convert to fraction form
    125,587.55/188,363.10 = 36,831.80/x
  3. Step 3: Cross multiply
    125,587.55x = 188,363.10 × 36,831.80
  4. Step 4: Simplify right side
    125,587.55x = 6,937,752,026.58
  5. Step 5: Solve for x
    x = 6,937,752,026.58/125,587.55
  6. Step 6: Final answer
    x = 55,242.36

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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.