Home / 72,464.83-100,001.48-40,633.74

Finding the Fourth Proportional to 72,464.83, 100,001.48 and 40,633.74

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Solution

The fourth proportional to 72,464.83, 100,001.48 and 40,633.74 is: 56,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,464.83 : 100,001.48 = 40,633.74 : x
  2. Step 2: Convert to fraction form
    72,464.83/100,001.48 = 40,633.74/x
  3. Step 3: Cross multiply
    72,464.83x = 100,001.48 × 40,633.74
  4. Step 4: Simplify right side
    72,464.83x = 4,063,433,934.77
  5. Step 5: Solve for x
    x = 4,063,433,934.77/72,464.83
  6. Step 6: Final answer
    x = 56,074.57

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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.