Home / 86,862.46-119,849.52-52,870.58

Finding the Fourth Proportional to 86,862.46, 119,849.52 and 52,870.58

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Solution

The fourth proportional to 86,862.46, 119,849.52 and 52,870.58 is: 72,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,862.46 : 119,849.52 = 52,870.58 : x
  2. Step 2: Convert to fraction form
    86,862.46/119,849.52 = 52,870.58/x
  3. Step 3: Cross multiply
    86,862.46x = 119,849.52 × 52,870.58
  4. Step 4: Simplify right side
    86,862.46x = 6,336,513,635.12
  5. Step 5: Solve for x
    x = 6,336,513,635.12/86,862.46
  6. Step 6: Final answer
    x = 72,948.82

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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.