Home / 108,857.16-150,225.66-61,114.14

Finding the Fourth Proportional to 108,857.16, 150,225.66 and 61,114.14

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Solution

The fourth proportional to 108,857.16, 150,225.66 and 61,114.14 is: 84,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,857.16 : 150,225.66 = 61,114.14 : x
  2. Step 2: Convert to fraction form
    108,857.16/150,225.66 = 61,114.14/x
  3. Step 3: Cross multiply
    108,857.16x = 150,225.66 × 61,114.14
  4. Step 4: Simplify right side
    108,857.16x = 9,180,912,016.83
  5. Step 5: Solve for x
    x = 9,180,912,016.83/108,857.16
  6. Step 6: Final answer
    x = 84,339.07

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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.