Home / 86,952.66-119,725.98-67,909.36

Finding the Fourth Proportional to 86,952.66, 119,725.98 and 67,909.36

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Solution

The fourth proportional to 86,952.66, 119,725.98 and 67,909.36 is: 93,505.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,952.66 : 119,725.98 = 67,909.36 : x
  2. Step 2: Convert to fraction form
    86,952.66/119,725.98 = 67,909.36/x
  3. Step 3: Cross multiply
    86,952.66x = 119,725.98 × 67,909.36
  4. Step 4: Simplify right side
    86,952.66x = 8,130,514,677.17
  5. Step 5: Solve for x
    x = 8,130,514,677.17/86,952.66
  6. Step 6: Final answer
    x = 93,505.07

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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.