Home / 84,728.53-116,925.48-47,002.78

Finding the Fourth Proportional to 84,728.53, 116,925.48 and 47,002.78

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Solution

The fourth proportional to 84,728.53, 116,925.48 and 47,002.78 is: 64,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,728.53 : 116,925.48 = 47,002.78 : x
  2. Step 2: Convert to fraction form
    84,728.53/116,925.48 = 47,002.78/x
  3. Step 3: Cross multiply
    84,728.53x = 116,925.48 × 47,002.78
  4. Step 4: Simplify right side
    84,728.53x = 5,495,822,612.83
  5. Step 5: Solve for x
    x = 5,495,822,612.83/84,728.53
  6. Step 6: Final answer
    x = 64,863.90

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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.