Home / 86,727.92-130,055.10-27,547.76

Finding the Fourth Proportional to 86,727.92, 130,055.10 and 27,547.76

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Solution

The fourth proportional to 86,727.92, 130,055.10 and 27,547.76 is: 41,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,727.92 : 130,055.10 = 27,547.76 : x
  2. Step 2: Convert to fraction form
    86,727.92/130,055.10 = 27,547.76/x
  3. Step 3: Cross multiply
    86,727.92x = 130,055.10 × 27,547.76
  4. Step 4: Simplify right side
    86,727.92x = 3,582,726,681.58
  5. Step 5: Solve for x
    x = 3,582,726,681.58/86,727.92
  6. Step 6: Final answer
    x = 41,309.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.