Home / 90,532.02-124,931.79-50,243.70

Finding the Fourth Proportional to 90,532.02, 124,931.79 and 50,243.70

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Solution

The fourth proportional to 90,532.02, 124,931.79 and 50,243.70 is: 69,334.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,532.02 : 124,931.79 = 50,243.70 : x
  2. Step 2: Convert to fraction form
    90,532.02/124,931.79 = 50,243.70/x
  3. Step 3: Cross multiply
    90,532.02x = 124,931.79 × 50,243.70
  4. Step 4: Simplify right side
    90,532.02x = 6,277,035,377.22
  5. Step 5: Solve for x
    x = 6,277,035,377.22/90,532.02
  6. Step 6: Final answer
    x = 69,334.98

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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.