Home / 84,008.07-115,853.27-61,311.11

Finding the Fourth Proportional to 84,008.07, 115,853.27 and 61,311.11

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Solution

The fourth proportional to 84,008.07, 115,853.27 and 61,311.11 is: 84,552.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,008.07 : 115,853.27 = 61,311.11 : x
  2. Step 2: Convert to fraction form
    84,008.07/115,853.27 = 61,311.11/x
  3. Step 3: Cross multiply
    84,008.07x = 115,853.27 × 61,311.11
  4. Step 4: Simplify right side
    84,008.07x = 7,103,092,717.19
  5. Step 5: Solve for x
    x = 7,103,092,717.19/84,008.07
  6. Step 6: Final answer
    x = 84,552.50

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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.