Home / 100,946.10-151,127.55-61,580.10

Finding the Fourth Proportional to 100,946.10, 151,127.55 and 61,580.10

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Solution

The fourth proportional to 100,946.10, 151,127.55 and 61,580.10 is: 92,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,946.10 : 151,127.55 = 61,580.10 : x
  2. Step 2: Convert to fraction form
    100,946.10/151,127.55 = 61,580.10/x
  3. Step 3: Cross multiply
    100,946.10x = 151,127.55 × 61,580.10
  4. Step 4: Simplify right side
    100,946.10x = 9,306,449,641.76
  5. Step 5: Solve for x
    x = 9,306,449,641.76/100,946.10
  6. Step 6: Final answer
    x = 92,192.27

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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.