Home / 83,539.05-115,267.59-49,541.19

Finding the Fourth Proportional to 83,539.05, 115,267.59 and 49,541.19

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Solution

The fourth proportional to 83,539.05, 115,267.59 and 49,541.19 is: 68,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,539.05 : 115,267.59 = 49,541.19 : x
  2. Step 2: Convert to fraction form
    83,539.05/115,267.59 = 49,541.19/x
  3. Step 3: Cross multiply
    83,539.05x = 115,267.59 × 49,541.19
  4. Step 4: Simplify right side
    83,539.05x = 5,710,493,577.03
  5. Step 5: Solve for x
    x = 5,710,493,577.03/83,539.05
  6. Step 6: Final answer
    x = 68,357.18

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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.