Home / 83,887.36-115,760.16-46,154.40

Finding the Fourth Proportional to 83,887.36, 115,760.16 and 46,154.40

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Solution

The fourth proportional to 83,887.36, 115,760.16 and 46,154.40 is: 63,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,887.36 : 115,760.16 = 46,154.40 : x
  2. Step 2: Convert to fraction form
    83,887.36/115,760.16 = 46,154.40/x
  3. Step 3: Cross multiply
    83,887.36x = 115,760.16 × 46,154.40
  4. Step 4: Simplify right side
    83,887.36x = 5,342,840,728.70
  5. Step 5: Solve for x
    x = 5,342,840,728.70/83,887.36
  6. Step 6: Final answer
    x = 63,690.65

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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.