Home / 97,153.02-134,072.75-54,132.57

Finding the Fourth Proportional to 97,153.02, 134,072.75 and 54,132.57

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Solution

The fourth proportional to 97,153.02, 134,072.75 and 54,132.57 is: 74,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,153.02 : 134,072.75 = 54,132.57 : x
  2. Step 2: Convert to fraction form
    97,153.02/134,072.75 = 54,132.57/x
  3. Step 3: Cross multiply
    97,153.02x = 134,072.75 × 54,132.57
  4. Step 4: Simplify right side
    97,153.02x = 7,257,702,659.80
  5. Step 5: Solve for x
    x = 7,257,702,659.80/97,153.02
  6. Step 6: Final answer
    x = 74,703.83

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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.