Home / 86,805.95-119,791.63-49,080.35

Finding the Fourth Proportional to 86,805.95, 119,791.63 and 49,080.35

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Solution

The fourth proportional to 86,805.95, 119,791.63 and 49,080.35 is: 67,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,805.95 : 119,791.63 = 49,080.35 : x
  2. Step 2: Convert to fraction form
    86,805.95/119,791.63 = 49,080.35/x
  3. Step 3: Cross multiply
    86,805.95x = 119,791.63 × 49,080.35
  4. Step 4: Simplify right side
    86,805.95x = 5,879,415,127.47
  5. Step 5: Solve for x
    x = 5,879,415,127.47/86,805.95
  6. Step 6: Final answer
    x = 67,730.55

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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.