Home / 86,352.09-119,098.35-56,147.19

Finding the Fourth Proportional to 86,352.09, 119,098.35 and 56,147.19

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Solution

The fourth proportional to 86,352.09, 119,098.35 and 56,147.19 is: 77,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,352.09 : 119,098.35 = 56,147.19 : x
  2. Step 2: Convert to fraction form
    86,352.09/119,098.35 = 56,147.19/x
  3. Step 3: Cross multiply
    86,352.09x = 119,098.35 × 56,147.19
  4. Step 4: Simplify right side
    86,352.09x = 6,687,037,686.14
  5. Step 5: Solve for x
    x = 6,687,037,686.14/86,352.09
  6. Step 6: Final answer
    x = 77,439.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.