Home / 90,463.02-124,838.08-50,176.86

Finding the Fourth Proportional to 90,463.02, 124,838.08 and 50,176.86

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Solution

The fourth proportional to 90,463.02, 124,838.08 and 50,176.86 is: 69,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,463.02 : 124,838.08 = 50,176.86 : x
  2. Step 2: Convert to fraction form
    90,463.02/124,838.08 = 50,176.86/x
  3. Step 3: Cross multiply
    90,463.02x = 124,838.08 × 50,176.86
  4. Step 4: Simplify right side
    90,463.02x = 6,263,982,862.83
  5. Step 5: Solve for x
    x = 6,263,982,862.83/90,463.02
  6. Step 6: Final answer
    x = 69,243.57

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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.