Home / 70,284.90-96,995.55-40,074.66

Finding the Fourth Proportional to 70,284.90, 96,995.55 and 40,074.66

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Solution

The fourth proportional to 70,284.90, 96,995.55 and 40,074.66 is: 55,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,284.90 : 96,995.55 = 40,074.66 : x
  2. Step 2: Convert to fraction form
    70,284.90/96,995.55 = 40,074.66/x
  3. Step 3: Cross multiply
    70,284.90x = 96,995.55 × 40,074.66
  4. Step 4: Simplify right side
    70,284.90x = 3,887,063,687.76
  5. Step 5: Solve for x
    x = 3,887,063,687.76/70,284.90
  6. Step 6: Final answer
    x = 55,304.39

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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.