Home / 94,120.50-129,887.02-53,831.84

Finding the Fourth Proportional to 94,120.50, 129,887.02 and 53,831.84

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Solution

The fourth proportional to 94,120.50, 129,887.02 and 53,831.84 is: 74,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,120.50 : 129,887.02 = 53,831.84 : x
  2. Step 2: Convert to fraction form
    94,120.50/129,887.02 = 53,831.84/x
  3. Step 3: Cross multiply
    94,120.50x = 129,887.02 × 53,831.84
  4. Step 4: Simplify right side
    94,120.50x = 6,992,057,278.72
  5. Step 5: Solve for x
    x = 6,992,057,278.72/94,120.50
  6. Step 6: Final answer
    x = 74,288.36

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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.