Home / 98,748.39-136,272.63-53,426.22

Finding the Fourth Proportional to 98,748.39, 136,272.63 and 53,426.22

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Solution

The fourth proportional to 98,748.39, 136,272.63 and 53,426.22 is: 73,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,748.39 : 136,272.63 = 53,426.22 : x
  2. Step 2: Convert to fraction form
    98,748.39/136,272.63 = 53,426.22/x
  3. Step 3: Cross multiply
    98,748.39x = 136,272.63 × 53,426.22
  4. Step 4: Simplify right side
    98,748.39x = 7,280,531,510.36
  5. Step 5: Solve for x
    x = 7,280,531,510.36/98,748.39
  6. Step 6: Final answer
    x = 73,728.10

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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.