Home / 69,417.86-95,761.35-40,718.75

Finding the Fourth Proportional to 69,417.86, 95,761.35 and 40,718.75

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Solution

The fourth proportional to 69,417.86, 95,761.35 and 40,718.75 is: 56,171.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,417.86 : 95,761.35 = 40,718.75 : x
  2. Step 2: Convert to fraction form
    69,417.86/95,761.35 = 40,718.75/x
  3. Step 3: Cross multiply
    69,417.86x = 95,761.35 × 40,718.75
  4. Step 4: Simplify right side
    69,417.86x = 3,899,281,991.51
  5. Step 5: Solve for x
    x = 3,899,281,991.51/69,417.86
  6. Step 6: Final answer
    x = 56,171.17

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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.