Home / 61,400.56-92,125.44-19,287.15

Finding the Fourth Proportional to 61,400.56, 92,125.44 and 19,287.15

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Solution

The fourth proportional to 61,400.56, 92,125.44 and 19,287.15 is: 28,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,400.56 : 92,125.44 = 19,287.15 : x
  2. Step 2: Convert to fraction form
    61,400.56/92,125.44 = 19,287.15/x
  3. Step 3: Cross multiply
    61,400.56x = 92,125.44 × 19,287.15
  4. Step 4: Simplify right side
    61,400.56x = 1,776,837,180.10
  5. Step 5: Solve for x
    x = 1,776,837,180.10/61,400.56
  6. Step 6: Final answer
    x = 28,938.45

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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.