Home / 98,910.89-136,497.04-53,589.18

Finding the Fourth Proportional to 98,910.89, 136,497.04 and 53,589.18

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Solution

The fourth proportional to 98,910.89, 136,497.04 and 53,589.18 is: 73,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,910.89 : 136,497.04 = 53,589.18 : x
  2. Step 2: Convert to fraction form
    98,910.89/136,497.04 = 53,589.18/x
  3. Step 3: Cross multiply
    98,910.89x = 136,497.04 × 53,589.18
  4. Step 4: Simplify right side
    98,910.89x = 7,314,764,312.05
  5. Step 5: Solve for x
    x = 7,314,764,312.05/98,910.89
  6. Step 6: Final answer
    x = 73,953.08

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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.