Home / 85,977.39-118,649.27-47,737.53

Finding the Fourth Proportional to 85,977.39, 118,649.27 and 47,737.53

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Solution

The fourth proportional to 85,977.39, 118,649.27 and 47,737.53 is: 65,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,977.39 : 118,649.27 = 47,737.53 : x
  2. Step 2: Convert to fraction form
    85,977.39/118,649.27 = 47,737.53/x
  3. Step 3: Cross multiply
    85,977.39x = 118,649.27 × 47,737.53
  4. Step 4: Simplify right side
    85,977.39x = 5,664,022,847.42
  5. Step 5: Solve for x
    x = 5,664,022,847.42/85,977.39
  6. Step 6: Final answer
    x = 65,878.05

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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.