Home / 98,569.46-135,884.23-70,225.94

Finding the Fourth Proportional to 98,569.46, 135,884.23 and 70,225.94

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Solution

The fourth proportional to 98,569.46, 135,884.23 and 70,225.94 is: 96,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,569.46 : 135,884.23 = 70,225.94 : x
  2. Step 2: Convert to fraction form
    98,569.46/135,884.23 = 70,225.94/x
  3. Step 3: Cross multiply
    98,569.46x = 135,884.23 × 70,225.94
  4. Step 4: Simplify right side
    98,569.46x = 9,542,597,577.74
  5. Step 5: Solve for x
    x = 9,542,597,577.74/98,569.46
  6. Step 6: Final answer
    x = 96,810.90

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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.