Home / 123,430.23-185,005.35-56,732.54

Finding the Fourth Proportional to 123,430.23, 185,005.35 and 56,732.54

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Solution

The fourth proportional to 123,430.23, 185,005.35 and 56,732.54 is: 85,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,430.23 : 185,005.35 = 56,732.54 : x
  2. Step 2: Convert to fraction form
    123,430.23/185,005.35 = 56,732.54/x
  3. Step 3: Cross multiply
    123,430.23x = 185,005.35 × 56,732.54
  4. Step 4: Simplify right side
    123,430.23x = 10,495,822,494.06
  5. Step 5: Solve for x
    x = 10,495,822,494.06/123,430.23
  6. Step 6: Final answer
    x = 85,034.46

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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.