Home / 85,578.17-118,102.02-47,337.55

Finding the Fourth Proportional to 85,578.17, 118,102.02 and 47,337.55

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Solution

The fourth proportional to 85,578.17, 118,102.02 and 47,337.55 is: 65,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,578.17 : 118,102.02 = 47,337.55 : x
  2. Step 2: Convert to fraction form
    85,578.17/118,102.02 = 47,337.55/x
  3. Step 3: Cross multiply
    85,578.17x = 118,102.02 × 47,337.55
  4. Step 4: Simplify right side
    85,578.17x = 5,590,660,276.85
  5. Step 5: Solve for x
    x = 5,590,660,276.85/85,578.17
  6. Step 6: Final answer
    x = 65,328.11

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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.