Home / 84,044.88-115,981.70-46,319.12

Finding the Fourth Proportional to 84,044.88, 115,981.70 and 46,319.12

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Solution

The fourth proportional to 84,044.88, 115,981.70 and 46,319.12 is: 63,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,044.88 : 115,981.70 = 46,319.12 : x
  2. Step 2: Convert to fraction form
    84,044.88/115,981.70 = 46,319.12/x
  3. Step 3: Cross multiply
    84,044.88x = 115,981.70 × 46,319.12
  4. Step 4: Simplify right side
    84,044.88x = 5,372,170,280.10
  5. Step 5: Solve for x
    x = 5,372,170,280.10/84,044.88
  6. Step 6: Final answer
    x = 63,920.26

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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.