Home / 86,362.12-129,547.80-27,202.40

Finding the Fourth Proportional to 86,362.12, 129,547.80 and 27,202.40

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Solution

The fourth proportional to 86,362.12, 129,547.80 and 27,202.40 is: 40,805.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,362.12 : 129,547.80 = 27,202.40 : x
  2. Step 2: Convert to fraction form
    86,362.12/129,547.80 = 27,202.40/x
  3. Step 3: Cross multiply
    86,362.12x = 129,547.80 × 27,202.40
  4. Step 4: Simplify right side
    86,362.12x = 3,524,011,074.72
  5. Step 5: Solve for x
    x = 3,524,011,074.72/86,362.12
  6. Step 6: Final answer
    x = 40,805.06

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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.