Home / 97,894.02-135,158.75-75,192.42

Finding the Fourth Proportional to 97,894.02, 135,158.75 and 75,192.42

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Solution

The fourth proportional to 97,894.02, 135,158.75 and 75,192.42 is: 103,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,894.02 : 135,158.75 = 75,192.42 : x
  2. Step 2: Convert to fraction form
    97,894.02/135,158.75 = 75,192.42/x
  3. Step 3: Cross multiply
    97,894.02x = 135,158.75 × 75,192.42
  4. Step 4: Simplify right side
    97,894.02x = 10,162,913,120.71
  5. Step 5: Solve for x
    x = 10,162,913,120.71/97,894.02
  6. Step 6: Final answer
    x = 103,815.46

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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.