Home / 86,437.17-129,666.69-27,264.24

Finding the Fourth Proportional to 86,437.17, 129,666.69 and 27,264.24

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Solution

The fourth proportional to 86,437.17, 129,666.69 and 27,264.24 is: 40,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,437.17 : 129,666.69 = 27,264.24 : x
  2. Step 2: Convert to fraction form
    86,437.17/129,666.69 = 27,264.24/x
  3. Step 3: Cross multiply
    86,437.17x = 129,666.69 × 27,264.24
  4. Step 4: Simplify right side
    86,437.17x = 3,535,263,756.17
  5. Step 5: Solve for x
    x = 3,535,263,756.17/86,437.17
  6. Step 6: Final answer
    x = 40,899.81

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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.