Home / 108,870.16-150,236.96-61,125.52

Finding the Fourth Proportional to 108,870.16, 150,236.96 and 61,125.52

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Solution

The fourth proportional to 108,870.16, 150,236.96 and 61,125.52 is: 84,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,870.16 : 150,236.96 = 61,125.52 : x
  2. Step 2: Convert to fraction form
    108,870.16/150,236.96 = 61,125.52/x
  3. Step 3: Cross multiply
    108,870.16x = 150,236.96 × 61,125.52
  4. Step 4: Simplify right side
    108,870.16x = 9,183,312,303.22
  5. Step 5: Solve for x
    x = 9,183,312,303.22/108,870.16
  6. Step 6: Final answer
    x = 84,351.05

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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.