Home / 86,945.28-130,417.84-24,615.80

Finding the Fourth Proportional to 86,945.28, 130,417.84 and 24,615.80

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Solution

The fourth proportional to 86,945.28, 130,417.84 and 24,615.80 is: 36,923.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,945.28 : 130,417.84 = 24,615.80 : x
  2. Step 2: Convert to fraction form
    86,945.28/130,417.84 = 24,615.80/x
  3. Step 3: Cross multiply
    86,945.28x = 130,417.84 × 24,615.80
  4. Step 4: Simplify right side
    86,945.28x = 3,210,339,465.87
  5. Step 5: Solve for x
    x = 3,210,339,465.87/86,945.28
  6. Step 6: Final answer
    x = 36,923.68

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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.