Home / 90,536.12-124,955.31-52,288.79

Finding the Fourth Proportional to 90,536.12, 124,955.31 and 52,288.79

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Solution

The fourth proportional to 90,536.12, 124,955.31 and 52,288.79 is: 72,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,536.12 : 124,955.31 = 52,288.79 : x
  2. Step 2: Convert to fraction form
    90,536.12/124,955.31 = 52,288.79/x
  3. Step 3: Cross multiply
    90,536.12x = 124,955.31 × 52,288.79
  4. Step 4: Simplify right side
    90,536.12x = 6,533,761,702.53
  5. Step 5: Solve for x
    x = 6,533,761,702.53/90,536.12
  6. Step 6: Final answer
    x = 72,167.46

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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.