Home / 86,641.04-119,531.09-50,817.98

Finding the Fourth Proportional to 86,641.04, 119,531.09 and 50,817.98

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Solution

The fourth proportional to 86,641.04, 119,531.09 and 50,817.98 is: 70,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,641.04 : 119,531.09 = 50,817.98 : x
  2. Step 2: Convert to fraction form
    86,641.04/119,531.09 = 50,817.98/x
  3. Step 3: Cross multiply
    86,641.04x = 119,531.09 × 50,817.98
  4. Step 4: Simplify right side
    86,641.04x = 6,074,328,966.87
  5. Step 5: Solve for x
    x = 6,074,328,966.87/86,641.04
  6. Step 6: Final answer
    x = 70,109.14

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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.