Home / 86,740.22-119,655.33-52,759.10

Finding the Fourth Proportional to 86,740.22, 119,655.33 and 52,759.10

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Solution

The fourth proportional to 86,740.22, 119,655.33 and 52,759.10 is: 72,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,740.22 : 119,655.33 = 52,759.10 : x
  2. Step 2: Convert to fraction form
    86,740.22/119,655.33 = 52,759.10/x
  3. Step 3: Cross multiply
    86,740.22x = 119,655.33 × 52,759.10
  4. Step 4: Simplify right side
    86,740.22x = 6,312,906,949.23
  5. Step 5: Solve for x
    x = 6,312,906,949.23/86,740.22
  6. Step 6: Final answer
    x = 72,779.47

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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.