Home / 86,290.47-119,035.17-59,386.27

Finding the Fourth Proportional to 86,290.47, 119,035.17 and 59,386.27

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Solution

The fourth proportional to 86,290.47, 119,035.17 and 59,386.27 is: 81,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,290.47 : 119,035.17 = 59,386.27 : x
  2. Step 2: Convert to fraction form
    86,290.47/119,035.17 = 59,386.27/x
  3. Step 3: Cross multiply
    86,290.47x = 119,035.17 × 59,386.27
  4. Step 4: Simplify right side
    86,290.47x = 7,069,054,149.94
  5. Step 5: Solve for x
    x = 7,069,054,149.94/86,290.47
  6. Step 6: Final answer
    x = 81,921.61

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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.