Home / 86,261.40-119,140.37-57,531.14

Finding the Fourth Proportional to 86,261.40, 119,140.37 and 57,531.14

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Solution

The fourth proportional to 86,261.40, 119,140.37 and 57,531.14 is: 79,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,261.40 : 119,140.37 = 57,531.14 : x
  2. Step 2: Convert to fraction form
    86,261.40/119,140.37 = 57,531.14/x
  3. Step 3: Cross multiply
    86,261.40x = 119,140.37 × 57,531.14
  4. Step 4: Simplify right side
    86,261.40x = 6,854,281,595.15
  5. Step 5: Solve for x
    x = 6,854,281,595.15/86,261.40
  6. Step 6: Final answer
    x = 79,459.43

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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.