Home / 90,016.04-124,220.40-49,730.24

Finding the Fourth Proportional to 90,016.04, 124,220.40 and 49,730.24

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Solution

The fourth proportional to 90,016.04, 124,220.40 and 49,730.24 is: 68,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,016.04 : 124,220.40 = 49,730.24 : x
  2. Step 2: Convert to fraction form
    90,016.04/124,220.40 = 49,730.24/x
  3. Step 3: Cross multiply
    90,016.04x = 124,220.40 × 49,730.24
  4. Step 4: Simplify right side
    90,016.04x = 6,177,510,304.90
  5. Step 5: Solve for x
    x = 6,177,510,304.90/90,016.04
  6. Step 6: Final answer
    x = 68,626.77

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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.