Home / 84,088.29-115,976.22-53,876.44

Finding the Fourth Proportional to 84,088.29, 115,976.22 and 53,876.44

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Solution

The fourth proportional to 84,088.29, 115,976.22 and 53,876.44 is: 74,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,088.29 : 115,976.22 = 53,876.44 : x
  2. Step 2: Convert to fraction form
    84,088.29/115,976.22 = 53,876.44/x
  3. Step 3: Cross multiply
    84,088.29x = 115,976.22 × 53,876.44
  4. Step 4: Simplify right side
    84,088.29x = 6,248,386,104.25
  5. Step 5: Solve for x
    x = 6,248,386,104.25/84,088.29
  6. Step 6: Final answer
    x = 74,307.44

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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.