Home / 75,708.86-113,417.75-42,327.69

Finding the Fourth Proportional to 75,708.86, 113,417.75 and 42,327.69

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Solution

The fourth proportional to 75,708.86, 113,417.75 and 42,327.69 is: 63,410.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,708.86 : 113,417.75 = 42,327.69 : x
  2. Step 2: Convert to fraction form
    75,708.86/113,417.75 = 42,327.69/x
  3. Step 3: Cross multiply
    75,708.86x = 113,417.75 × 42,327.69
  4. Step 4: Simplify right side
    75,708.86x = 4,800,711,468.32
  5. Step 5: Solve for x
    x = 4,800,711,468.32/75,708.86
  6. Step 6: Final answer
    x = 63,410.17

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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.