Home / 108,870.12-150,236.90-61,125.48

Finding the Fourth Proportional to 108,870.12, 150,236.90 and 61,125.48

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Solution

The fourth proportional to 108,870.12, 150,236.90 and 61,125.48 is: 84,350.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,870.12 : 150,236.90 = 61,125.48 : x
  2. Step 2: Convert to fraction form
    108,870.12/150,236.90 = 61,125.48/x
  3. Step 3: Cross multiply
    108,870.12x = 150,236.90 × 61,125.48
  4. Step 4: Simplify right side
    108,870.12x = 9,183,301,875.03
  5. Step 5: Solve for x
    x = 9,183,301,875.03/108,870.12
  6. Step 6: Final answer
    x = 84,350.99

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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.