Home / 85,952.32-128,954.88-41,031.00

Finding the Fourth Proportional to 85,952.32, 128,954.88 and 41,031.00

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Solution

The fourth proportional to 85,952.32, 128,954.88 and 41,031.00 is: 61,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,952.32 : 128,954.88 = 41,031.00 : x
  2. Step 2: Convert to fraction form
    85,952.32/128,954.88 = 41,031.00/x
  3. Step 3: Cross multiply
    85,952.32x = 128,954.88 × 41,031.00
  4. Step 4: Simplify right side
    85,952.32x = 5,291,146,831.35
  5. Step 5: Solve for x
    x = 5,291,146,831.35/85,952.32
  6. Step 6: Final answer
    x = 61,559.09

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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.