Home / 90,452.34-124,886.07-56,512.53

Finding the Fourth Proportional to 90,452.34, 124,886.07 and 56,512.53

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Solution

The fourth proportional to 90,452.34, 124,886.07 and 56,512.53 is: 78,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,452.34 : 124,886.07 = 56,512.53 : x
  2. Step 2: Convert to fraction form
    90,452.34/124,886.07 = 56,512.53/x
  3. Step 3: Cross multiply
    90,452.34x = 124,886.07 × 56,512.53
  4. Step 4: Simplify right side
    90,452.34x = 7,057,627,777.46
  5. Step 5: Solve for x
    x = 7,057,627,777.46/90,452.34
  6. Step 6: Final answer
    x = 78,025.93

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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.