Home / 80,925.16-111,671.04-45,117.16

Finding the Fourth Proportional to 80,925.16, 111,671.04 and 45,117.16

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Solution

The fourth proportional to 80,925.16, 111,671.04 and 45,117.16 is: 62,258.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,925.16 : 111,671.04 = 45,117.16 : x
  2. Step 2: Convert to fraction form
    80,925.16/111,671.04 = 45,117.16/x
  3. Step 3: Cross multiply
    80,925.16x = 111,671.04 × 45,117.16
  4. Step 4: Simplify right side
    80,925.16x = 5,038,280,179.05
  5. Step 5: Solve for x
    x = 5,038,280,179.05/80,925.16
  6. Step 6: Final answer
    x = 62,258.51

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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.