Home / 99,260.68-137,001.34-61,053.06

Finding the Fourth Proportional to 99,260.68, 137,001.34 and 61,053.06

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Solution

The fourth proportional to 99,260.68, 137,001.34 and 61,053.06 is: 84,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,260.68 : 137,001.34 = 61,053.06 : x
  2. Step 2: Convert to fraction form
    99,260.68/137,001.34 = 61,053.06/x
  3. Step 3: Cross multiply
    99,260.68x = 137,001.34 × 61,053.06
  4. Step 4: Simplify right side
    99,260.68x = 8,364,351,031.10
  5. Step 5: Solve for x
    x = 8,364,351,031.10/99,260.68
  6. Step 6: Final answer
    x = 84,266.51

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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.