Home / 90,002.06-124,202.04-49,715.72

Finding the Fourth Proportional to 90,002.06, 124,202.04 and 49,715.72

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Solution

The fourth proportional to 90,002.06, 124,202.04 and 49,715.72 is: 68,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,002.06 : 124,202.04 = 49,715.72 : x
  2. Step 2: Convert to fraction form
    90,002.06/124,202.04 = 49,715.72/x
  3. Step 3: Cross multiply
    90,002.06x = 124,202.04 × 49,715.72
  4. Step 4: Simplify right side
    90,002.06x = 6,174,793,825.51
  5. Step 5: Solve for x
    x = 6,174,793,825.51/90,002.06
  6. Step 6: Final answer
    x = 68,607.25

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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.