Home / 85,764.12-118,354.50-52,230.12

Finding the Fourth Proportional to 85,764.12, 118,354.50 and 52,230.12

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Solution

The fourth proportional to 85,764.12, 118,354.50 and 52,230.12 is: 72,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,764.12 : 118,354.50 = 52,230.12 : x
  2. Step 2: Convert to fraction form
    85,764.12/118,354.50 = 52,230.12/x
  3. Step 3: Cross multiply
    85,764.12x = 118,354.50 × 52,230.12
  4. Step 4: Simplify right side
    85,764.12x = 6,181,669,737.54
  5. Step 5: Solve for x
    x = 6,181,669,737.54/85,764.12
  6. Step 6: Final answer
    x = 72,077.57

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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.