Home / 90,272.60-124,575.29-48,879.39

Finding the Fourth Proportional to 90,272.60, 124,575.29 and 48,879.39

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Solution

The fourth proportional to 90,272.60, 124,575.29 and 48,879.39 is: 67,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,272.60 : 124,575.29 = 48,879.39 : x
  2. Step 2: Convert to fraction form
    90,272.60/124,575.29 = 48,879.39/x
  3. Step 3: Cross multiply
    90,272.60x = 124,575.29 × 48,879.39
  4. Step 4: Simplify right side
    90,272.60x = 6,089,164,521.59
  5. Step 5: Solve for x
    x = 6,089,164,521.59/90,272.60
  6. Step 6: Final answer
    x = 67,453.08

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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.