Home / 90,263.01-124,566.86-49,976.78

Finding the Fourth Proportional to 90,263.01, 124,566.86 and 49,976.78

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Solution

The fourth proportional to 90,263.01, 124,566.86 and 49,976.78 is: 68,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,263.01 : 124,566.86 = 49,976.78 : x
  2. Step 2: Convert to fraction form
    90,263.01/124,566.86 = 49,976.78/x
  3. Step 3: Cross multiply
    90,263.01x = 124,566.86 × 49,976.78
  4. Step 4: Simplify right side
    90,263.01x = 6,225,450,479.19
  5. Step 5: Solve for x
    x = 6,225,450,479.19/90,263.01
  6. Step 6: Final answer
    x = 68,970.12

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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.