Home / 108,810.12-150,154.36-61,064.24

Finding the Fourth Proportional to 108,810.12, 150,154.36 and 61,064.24

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Solution

The fourth proportional to 108,810.12, 150,154.36 and 61,064.24 is: 84,266.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,810.12 : 150,154.36 = 61,064.24 : x
  2. Step 2: Convert to fraction form
    108,810.12/150,154.36 = 61,064.24/x
  3. Step 3: Cross multiply
    108,810.12x = 150,154.36 × 61,064.24
  4. Step 4: Simplify right side
    108,810.12x = 9,169,061,876.09
  5. Step 5: Solve for x
    x = 9,169,061,876.09/108,810.12
  6. Step 6: Final answer
    x = 84,266.63

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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.