Home / 86,387.49-119,214.99-50,095.98

Finding the Fourth Proportional to 86,387.49, 119,214.99 and 50,095.98

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Solution

The fourth proportional to 86,387.49, 119,214.99 and 50,095.98 is: 69,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,387.49 : 119,214.99 = 50,095.98 : x
  2. Step 2: Convert to fraction form
    86,387.49/119,214.99 = 50,095.98/x
  3. Step 3: Cross multiply
    86,387.49x = 119,214.99 × 50,095.98
  4. Step 4: Simplify right side
    86,387.49x = 5,972,191,754.74
  5. Step 5: Solve for x
    x = 5,972,191,754.74/86,387.49
  6. Step 6: Final answer
    x = 69,132.60

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1.5x scale

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.