Home / 90,023.93-124,231.56-49,187.18

Finding the Fourth Proportional to 90,023.93, 124,231.56 and 49,187.18

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Solution

The fourth proportional to 90,023.93, 124,231.56 and 49,187.18 is: 67,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,023.93 : 124,231.56 = 49,187.18 : x
  2. Step 2: Convert to fraction form
    90,023.93/124,231.56 = 49,187.18/x
  3. Step 3: Cross multiply
    90,023.93x = 124,231.56 × 49,187.18
  4. Step 4: Simplify right side
    90,023.93x = 6,110,600,295.14
  5. Step 5: Solve for x
    x = 6,110,600,295.14/90,023.93
  6. Step 6: Final answer
    x = 67,877.51

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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.