Home / 72,465.32-100,000.59-40,633.52

Finding the Fourth Proportional to 72,465.32, 100,000.59 and 40,633.52

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Solution

The fourth proportional to 72,465.32, 100,000.59 and 40,633.52 is: 56,073.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,465.32 : 100,000.59 = 40,633.52 : x
  2. Step 2: Convert to fraction form
    72,465.32/100,000.59 = 40,633.52/x
  3. Step 3: Cross multiply
    72,465.32x = 100,000.59 × 40,633.52
  4. Step 4: Simplify right side
    72,465.32x = 4,063,375,973.78
  5. Step 5: Solve for x
    x = 4,063,375,973.78/72,465.32
  6. Step 6: Final answer
    x = 56,073.39

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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.