Home / 108,834.02-150,189.45-61,086.50

Finding the Fourth Proportional to 108,834.02, 150,189.45 and 61,086.50

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Solution

The fourth proportional to 108,834.02, 150,189.45 and 61,086.50 is: 84,298.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,834.02 : 150,189.45 = 61,086.50 : x
  2. Step 2: Convert to fraction form
    108,834.02/150,189.45 = 61,086.50/x
  3. Step 3: Cross multiply
    108,834.02x = 150,189.45 × 61,086.50
  4. Step 4: Simplify right side
    108,834.02x = 9,174,547,837.43
  5. Step 5: Solve for x
    x = 9,174,547,837.43/108,834.02
  6. Step 6: Final answer
    x = 84,298.53

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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.