Home / 86,965.90-130,498.09-37,040.81

Finding the Fourth Proportional to 86,965.90, 130,498.09 and 37,040.81

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Solution

The fourth proportional to 86,965.90, 130,498.09 and 37,040.81 is: 55,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,965.90 : 130,498.09 = 37,040.81 : x
  2. Step 2: Convert to fraction form
    86,965.90/130,498.09 = 37,040.81/x
  3. Step 3: Cross multiply
    86,965.90x = 130,498.09 × 37,040.81
  4. Step 4: Simplify right side
    86,965.90x = 4,833,754,211.96
  5. Step 5: Solve for x
    x = 4,833,754,211.96/86,965.90
  6. Step 6: Final answer
    x = 55,582.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.