Home / 90,003.98-124,206.45-49,718.81

Finding the Fourth Proportional to 90,003.98, 124,206.45 and 49,718.81

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Solution

The fourth proportional to 90,003.98, 124,206.45 and 49,718.81 is: 68,612.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,003.98 : 124,206.45 = 49,718.81 : x
  2. Step 2: Convert to fraction form
    90,003.98/124,206.45 = 49,718.81/x
  3. Step 3: Cross multiply
    90,003.98x = 124,206.45 × 49,718.81
  4. Step 4: Simplify right side
    90,003.98x = 6,175,396,888.32
  5. Step 5: Solve for x
    x = 6,175,396,888.32/90,003.98
  6. Step 6: Final answer
    x = 68,612.49

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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.