Home / 90,001.10-134,893.65-61,921.10

Finding the Fourth Proportional to 90,001.10, 134,893.65 and 61,921.10

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Solution

The fourth proportional to 90,001.10, 134,893.65 and 61,921.10 is: 92,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,001.10 : 134,893.65 = 61,921.10 : x
  2. Step 2: Convert to fraction form
    90,001.10/134,893.65 = 61,921.10/x
  3. Step 3: Cross multiply
    90,001.10x = 134,893.65 × 61,921.10
  4. Step 4: Simplify right side
    90,001.10x = 8,352,763,191.02
  5. Step 5: Solve for x
    x = 8,352,763,191.02/90,001.10
  6. Step 6: Final answer
    x = 92,807.35

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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.