Home / 107,417.73-161,130.65-40,845.45

Finding the Fourth Proportional to 107,417.73, 161,130.65 and 40,845.45

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Solution

The fourth proportional to 107,417.73, 161,130.65 and 40,845.45 is: 61,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,417.73 : 161,130.65 = 40,845.45 : x
  2. Step 2: Convert to fraction form
    107,417.73/161,130.65 = 40,845.45/x
  3. Step 3: Cross multiply
    107,417.73x = 161,130.65 × 40,845.45
  4. Step 4: Simplify right side
    107,417.73x = 6,581,453,703.82
  5. Step 5: Solve for x
    x = 6,581,453,703.82/107,417.73
  6. Step 6: Final answer
    x = 61,269.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.