Home / 61,631.18-92,460.62-19,513.78

Finding the Fourth Proportional to 61,631.18, 92,460.62 and 19,513.78

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Solution

The fourth proportional to 61,631.18, 92,460.62 and 19,513.78 is: 29,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,631.18 : 92,460.62 = 19,513.78 : x
  2. Step 2: Convert to fraction form
    61,631.18/92,460.62 = 19,513.78/x
  3. Step 3: Cross multiply
    61,631.18x = 92,460.62 × 19,513.78
  4. Step 4: Simplify right side
    61,631.18x = 1,804,256,097.16
  5. Step 5: Solve for x
    x = 1,804,256,097.16/61,631.18
  6. Step 6: Final answer
    x = 29,275.05

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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.