Home / 89,421.24-134,048.46-30,215.52

Finding the Fourth Proportional to 89,421.24, 134,048.46 and 30,215.52

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Solution

The fourth proportional to 89,421.24, 134,048.46 and 30,215.52 is: 45,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,421.24 : 134,048.46 = 30,215.52 : x
  2. Step 2: Convert to fraction form
    89,421.24/134,048.46 = 30,215.52/x
  3. Step 3: Cross multiply
    89,421.24x = 134,048.46 × 30,215.52
  4. Step 4: Simplify right side
    89,421.24x = 4,050,343,924.10
  5. Step 5: Solve for x
    x = 4,050,343,924.10/89,421.24
  6. Step 6: Final answer
    x = 45,295.10

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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.