Home / 67,458.58-101,178.36-42,422.30

Finding the Fourth Proportional to 67,458.58, 101,178.36 and 42,422.30

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Solution

The fourth proportional to 67,458.58, 101,178.36 and 42,422.30 is: 63,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,458.58 : 101,178.36 = 42,422.30 : x
  2. Step 2: Convert to fraction form
    67,458.58/101,178.36 = 42,422.30/x
  3. Step 3: Cross multiply
    67,458.58x = 101,178.36 × 42,422.30
  4. Step 4: Simplify right side
    67,458.58x = 4,292,218,741.43
  5. Step 5: Solve for x
    x = 4,292,218,741.43/67,458.58
  6. Step 6: Final answer
    x = 63,627.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.