Home / 89,425.76-134,055.26-30,220.02

Finding the Fourth Proportional to 89,425.76, 134,055.26 and 30,220.02

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Solution

The fourth proportional to 89,425.76, 134,055.26 and 30,220.02 is: 45,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,425.76 : 134,055.26 = 30,220.02 : x
  2. Step 2: Convert to fraction form
    89,425.76/134,055.26 = 30,220.02/x
  3. Step 3: Cross multiply
    89,425.76x = 134,055.26 × 30,220.02
  4. Step 4: Simplify right side
    89,425.76x = 4,051,152,638.31
  5. Step 5: Solve for x
    x = 4,051,152,638.31/89,425.76
  6. Step 6: Final answer
    x = 45,301.85

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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.