Home / 108,784.76-150,122.30-61,038

Finding the Fourth Proportional to 108,784.76, 150,122.30 and 61,038

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Solution

The fourth proportional to 108,784.76, 150,122.30 and 61,038 is: 84,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,784.76 : 150,122.30 = 61,038 : x
  2. Step 2: Convert to fraction form
    108,784.76/150,122.30 = 61,038/x
  3. Step 3: Cross multiply
    108,784.76x = 150,122.30 × 61,038
  4. Step 4: Simplify right side
    108,784.76x = 9,163,164,642.21
  5. Step 5: Solve for x
    x = 9,163,164,642.21/108,784.76
  6. Step 6: Final answer
    x = 84,232.07

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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.