Home / 90,014.04-124,217.64-49,728.24

Finding the Fourth Proportional to 90,014.04, 124,217.64 and 49,728.24

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Solution

The fourth proportional to 90,014.04, 124,217.64 and 49,728.24 is: 68,624.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,014.04 : 124,217.64 = 49,728.24 : x
  2. Step 2: Convert to fraction form
    90,014.04/124,217.64 = 49,728.24/x
  3. Step 3: Cross multiply
    90,014.04x = 124,217.64 × 49,728.24
  4. Step 4: Simplify right side
    90,014.04x = 6,177,124,614.15
  5. Step 5: Solve for x
    x = 6,177,124,614.15/90,014.04
  6. Step 6: Final answer
    x = 68,624.01

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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.