Home / 86,160.08-129,259.56-26,995.52

Finding the Fourth Proportional to 86,160.08, 129,259.56 and 26,995.52

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Solution

The fourth proportional to 86,160.08, 129,259.56 and 26,995.52 is: 40,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,160.08 : 129,259.56 = 26,995.52 : x
  2. Step 2: Convert to fraction form
    86,160.08/129,259.56 = 26,995.52/x
  3. Step 3: Cross multiply
    86,160.08x = 129,259.56 × 26,995.52
  4. Step 4: Simplify right side
    86,160.08x = 3,489,429,037.17
  5. Step 5: Solve for x
    x = 3,489,429,037.17/86,160.08
  6. Step 6: Final answer
    x = 40,499.37

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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.