Home / 106,543.44-147,025.02-61,189.50

Finding the Fourth Proportional to 106,543.44, 147,025.02 and 61,189.50

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Solution

The fourth proportional to 106,543.44, 147,025.02 and 61,189.50 is: 84,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,543.44 : 147,025.02 = 61,189.50 : x
  2. Step 2: Convert to fraction form
    106,543.44/147,025.02 = 61,189.50/x
  3. Step 3: Cross multiply
    106,543.44x = 147,025.02 × 61,189.50
  4. Step 4: Simplify right side
    106,543.44x = 8,996,387,461.29
  5. Step 5: Solve for x
    x = 8,996,387,461.29/106,543.44
  6. Step 6: Final answer
    x = 84,438.68

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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.