Home / 86,918.06-119,948.75-49,192.31

Finding the Fourth Proportional to 86,918.06, 119,948.75 and 49,192.31

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Solution

The fourth proportional to 86,918.06, 119,948.75 and 49,192.31 is: 67,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,918.06 : 119,948.75 = 49,192.31 : x
  2. Step 2: Convert to fraction form
    86,918.06/119,948.75 = 49,192.31/x
  3. Step 3: Cross multiply
    86,918.06x = 119,948.75 × 49,192.31
  4. Step 4: Simplify right side
    86,918.06x = 5,900,556,332.49
  5. Step 5: Solve for x
    x = 5,900,556,332.49/86,918.06
  6. Step 6: Final answer
    x = 67,886.42

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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.