Home / 86,854.75-130,287.29-33,547.13

Finding the Fourth Proportional to 86,854.75, 130,287.29 and 33,547.13

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Solution

The fourth proportional to 86,854.75, 130,287.29 and 33,547.13 is: 50,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,854.75 : 130,287.29 = 33,547.13 : x
  2. Step 2: Convert to fraction form
    86,854.75/130,287.29 = 33,547.13/x
  3. Step 3: Cross multiply
    86,854.75x = 130,287.29 × 33,547.13
  4. Step 4: Simplify right side
    86,854.75x = 4,370,764,324.38
  5. Step 5: Solve for x
    x = 4,370,764,324.38/86,854.75
  6. Step 6: Final answer
    x = 50,322.69

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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.