Home / 86,646.30-119,522-52,167.06

Finding the Fourth Proportional to 86,646.30, 119,522 and 52,167.06

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Solution

The fourth proportional to 86,646.30, 119,522 and 52,167.06 is: 71,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,646.30 : 119,522 = 52,167.06 : x
  2. Step 2: Convert to fraction form
    86,646.30/119,522 = 52,167.06/x
  3. Step 3: Cross multiply
    86,646.30x = 119,522 × 52,167.06
  4. Step 4: Simplify right side
    86,646.30x = 6,235,111,345.32
  5. Step 5: Solve for x
    x = 6,235,111,345.32/86,646.30
  6. Step 6: Final answer
    x = 71,960.50

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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.