Home / 81,262.74-112,140.54-45,454.26

Finding the Fourth Proportional to 81,262.74, 112,140.54 and 45,454.26

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Solution

The fourth proportional to 81,262.74, 112,140.54 and 45,454.26 is: 62,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,262.74 : 112,140.54 = 45,454.26 : x
  2. Step 2: Convert to fraction form
    81,262.74/112,140.54 = 45,454.26/x
  3. Step 3: Cross multiply
    81,262.74x = 112,140.54 × 45,454.26
  4. Step 4: Simplify right side
    81,262.74x = 5,097,265,261.70
  5. Step 5: Solve for x
    x = 5,097,265,261.70/81,262.74
  6. Step 6: Final answer
    x = 62,725.74

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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.