Home / 85,984.96-118,657.57-47,742.53

Finding the Fourth Proportional to 85,984.96, 118,657.57 and 47,742.53

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Solution

The fourth proportional to 85,984.96, 118,657.57 and 47,742.53 is: 65,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,984.96 : 118,657.57 = 47,742.53 : x
  2. Step 2: Convert to fraction form
    85,984.96/118,657.57 = 47,742.53/x
  3. Step 3: Cross multiply
    85,984.96x = 118,657.57 × 47,742.53
  4. Step 4: Simplify right side
    85,984.96x = 5,665,012,418.16
  5. Step 5: Solve for x
    x = 5,665,012,418.16/85,984.96
  6. Step 6: Final answer
    x = 65,883.76

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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.