Home / 109,001.03-150,420.06-61,262.46

Finding the Fourth Proportional to 109,001.03, 150,420.06 and 61,262.46

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Solution

The fourth proportional to 109,001.03, 150,420.06 and 61,262.46 is: 84,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,001.03 : 150,420.06 = 61,262.46 : x
  2. Step 2: Convert to fraction form
    109,001.03/150,420.06 = 61,262.46/x
  3. Step 3: Cross multiply
    109,001.03x = 150,420.06 × 61,262.46
  4. Step 4: Simplify right side
    109,001.03x = 9,215,102,908.95
  5. Step 5: Solve for x
    x = 9,215,102,908.95/109,001.03
  6. Step 6: Final answer
    x = 84,541.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.