Home / 85,527.96-118,026.55-47,805.72

Finding the Fourth Proportional to 85,527.96, 118,026.55 and 47,805.72

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Solution

The fourth proportional to 85,527.96, 118,026.55 and 47,805.72 is: 65,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,527.96 : 118,026.55 = 47,805.72 : x
  2. Step 2: Convert to fraction form
    85,527.96/118,026.55 = 47,805.72/x
  3. Step 3: Cross multiply
    85,527.96x = 118,026.55 × 47,805.72
  4. Step 4: Simplify right side
    85,527.96x = 5,642,344,229.88
  5. Step 5: Solve for x
    x = 5,642,344,229.88/85,527.96
  6. Step 6: Final answer
    x = 65,970.76

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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.