Home / 98,717.04-136,229.53-53,395.03

Finding the Fourth Proportional to 98,717.04, 136,229.53 and 53,395.03

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Solution

The fourth proportional to 98,717.04, 136,229.53 and 53,395.03 is: 73,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,717.04 : 136,229.53 = 53,395.03 : x
  2. Step 2: Convert to fraction form
    98,717.04/136,229.53 = 53,395.03/x
  3. Step 3: Cross multiply
    98,717.04x = 136,229.53 × 53,395.03
  4. Step 4: Simplify right side
    98,717.04x = 7,273,979,841.24
  5. Step 5: Solve for x
    x = 7,273,979,841.24/98,717.04
  6. Step 6: Final answer
    x = 73,685.15

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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.