Home / 84,031.90-115,963.45-46,306.15

Finding the Fourth Proportional to 84,031.90, 115,963.45 and 46,306.15

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Solution

The fourth proportional to 84,031.90, 115,963.45 and 46,306.15 is: 63,902.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,031.90 : 115,963.45 = 46,306.15 : x
  2. Step 2: Convert to fraction form
    84,031.90/115,963.45 = 46,306.15/x
  3. Step 3: Cross multiply
    84,031.90x = 115,963.45 × 46,306.15
  4. Step 4: Simplify right side
    84,031.90x = 5,369,820,504.54
  5. Step 5: Solve for x
    x = 5,369,820,504.54/84,031.90
  6. Step 6: Final answer
    x = 63,902.17

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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.