Home / 90,013.02-124,225.23-49,730.30

Finding the Fourth Proportional to 90,013.02, 124,225.23 and 49,730.30

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Solution

The fourth proportional to 90,013.02, 124,225.23 and 49,730.30 is: 68,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,013.02 : 124,225.23 = 49,730.30 : x
  2. Step 2: Convert to fraction form
    90,013.02/124,225.23 = 49,730.30/x
  3. Step 3: Cross multiply
    90,013.02x = 124,225.23 × 49,730.30
  4. Step 4: Simplify right side
    90,013.02x = 6,177,757,334.34
  5. Step 5: Solve for x
    x = 6,177,757,334.34/90,013.02
  6. Step 6: Final answer
    x = 68,631.82

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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.