Home / 109,250.02-150,767.88-61,505.10

Finding the Fourth Proportional to 109,250.02, 150,767.88 and 61,505.10

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Solution

The fourth proportional to 109,250.02, 150,767.88 and 61,505.10 is: 84,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,250.02 : 150,767.88 = 61,505.10 : x
  2. Step 2: Convert to fraction form
    109,250.02/150,767.88 = 61,505.10/x
  3. Step 3: Cross multiply
    109,250.02x = 150,767.88 × 61,505.10
  4. Step 4: Simplify right side
    109,250.02x = 9,272,993,536.19
  5. Step 5: Solve for x
    x = 9,272,993,536.19/109,250.02
  6. Step 6: Final answer
    x = 84,878.64

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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.