Home / 90,525.56-124,838.48-54,221.22

Finding the Fourth Proportional to 90,525.56, 124,838.48 and 54,221.22

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Solution

The fourth proportional to 90,525.56, 124,838.48 and 54,221.22 is: 74,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,525.56 : 124,838.48 = 54,221.22 : x
  2. Step 2: Convert to fraction form
    90,525.56/124,838.48 = 54,221.22/x
  3. Step 3: Cross multiply
    90,525.56x = 124,838.48 × 54,221.22
  4. Step 4: Simplify right side
    90,525.56x = 6,768,894,688.55
  5. Step 5: Solve for x
    x = 6,768,894,688.55/90,525.56
  6. Step 6: Final answer
    x = 74,773.30

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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.