Home / 90,559.04-124,932.64-54,728.32

Finding the Fourth Proportional to 90,559.04, 124,932.64 and 54,728.32

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Solution

The fourth proportional to 90,559.04, 124,932.64 and 54,728.32 is: 75,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,559.04 : 124,932.64 = 54,728.32 : x
  2. Step 2: Convert to fraction form
    90,559.04/124,932.64 = 54,728.32/x
  3. Step 3: Cross multiply
    90,559.04x = 124,932.64 × 54,728.32
  4. Step 4: Simplify right side
    90,559.04x = 6,837,353,500.36
  5. Step 5: Solve for x
    x = 6,837,353,500.36/90,559.04
  6. Step 6: Final answer
    x = 75,501.61

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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.