Home / 75,184.02-103,517.19-63,831.06

Finding the Fourth Proportional to 75,184.02, 103,517.19 and 63,831.06

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Solution

The fourth proportional to 75,184.02, 103,517.19 and 63,831.06 is: 87,885.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,184.02 : 103,517.19 = 63,831.06 : x
  2. Step 2: Convert to fraction form
    75,184.02/103,517.19 = 63,831.06/x
  3. Step 3: Cross multiply
    75,184.02x = 103,517.19 × 63,831.06
  4. Step 4: Simplify right side
    75,184.02x = 6,607,611,965.92
  5. Step 5: Solve for x
    x = 6,607,611,965.92/75,184.02
  6. Step 6: Final answer
    x = 87,885.86

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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.