Home / 90,052.07-124,216.80-57,775.71

Finding the Fourth Proportional to 90,052.07, 124,216.80 and 57,775.71

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Solution

The fourth proportional to 90,052.07, 124,216.80 and 57,775.71 is: 79,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,052.07 : 124,216.80 = 57,775.71 : x
  2. Step 2: Convert to fraction form
    90,052.07/124,216.80 = 57,775.71/x
  3. Step 3: Cross multiply
    90,052.07x = 124,216.80 × 57,775.71
  4. Step 4: Simplify right side
    90,052.07x = 7,176,714,063.08
  5. Step 5: Solve for x
    x = 7,176,714,063.08/90,052.07
  6. Step 6: Final answer
    x = 79,695.16

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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.