Home / 86,535.77-129,817.89-26,562.74

Finding the Fourth Proportional to 86,535.77, 129,817.89 and 26,562.74

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Solution

The fourth proportional to 86,535.77, 129,817.89 and 26,562.74 is: 39,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,535.77 : 129,817.89 = 26,562.74 : x
  2. Step 2: Convert to fraction form
    86,535.77/129,817.89 = 26,562.74/x
  3. Step 3: Cross multiply
    86,535.77x = 129,817.89 × 26,562.74
  4. Step 4: Simplify right side
    86,535.77x = 3,448,318,210.33
  5. Step 5: Solve for x
    x = 3,448,318,210.33/86,535.77
  6. Step 6: Final answer
    x = 39,848.47

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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.