Home / 87,330.11-130,885.63-37,351.54

Finding the Fourth Proportional to 87,330.11, 130,885.63 and 37,351.54

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Solution

The fourth proportional to 87,330.11, 130,885.63 and 37,351.54 is: 55,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,330.11 : 130,885.63 = 37,351.54 : x
  2. Step 2: Convert to fraction form
    87,330.11/130,885.63 = 37,351.54/x
  3. Step 3: Cross multiply
    87,330.11x = 130,885.63 × 37,351.54
  4. Step 4: Simplify right side
    87,330.11x = 4,888,779,844.37
  5. Step 5: Solve for x
    x = 4,888,779,844.37/87,330.11
  6. Step 6: Final answer
    x = 55,980.46

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1.5x scale

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.