Home / 86,287.29-119,113.20-58,009.38

Finding the Fourth Proportional to 86,287.29, 119,113.20 and 58,009.38

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Solution

The fourth proportional to 86,287.29, 119,113.20 and 58,009.38 is: 80,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,287.29 : 119,113.20 = 58,009.38 : x
  2. Step 2: Convert to fraction form
    86,287.29/119,113.20 = 58,009.38/x
  3. Step 3: Cross multiply
    86,287.29x = 119,113.20 × 58,009.38
  4. Step 4: Simplify right side
    86,287.29x = 6,909,682,881.82
  5. Step 5: Solve for x
    x = 6,909,682,881.82/86,287.29
  6. Step 6: Final answer
    x = 80,077.64

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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.