Home / 90,386.60-124,577.74-60,117.80

Finding the Fourth Proportional to 90,386.60, 124,577.74 and 60,117.80

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Solution

The fourth proportional to 90,386.60, 124,577.74 and 60,117.80 is: 82,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,386.60 : 124,577.74 = 60,117.80 : x
  2. Step 2: Convert to fraction form
    90,386.60/124,577.74 = 60,117.80/x
  3. Step 3: Cross multiply
    90,386.60x = 124,577.74 × 60,117.80
  4. Step 4: Simplify right side
    90,386.60x = 7,489,339,818.92
  5. Step 5: Solve for x
    x = 7,489,339,818.92/90,386.60
  6. Step 6: Final answer
    x = 82,858.96

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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.