Home / 107,498.04-161,317.29-40,938.81

Finding the Fourth Proportional to 107,498.04, 161,317.29 and 40,938.81

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Solution

The fourth proportional to 107,498.04, 161,317.29 and 40,938.81 is: 61,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,498.04 : 161,317.29 = 40,938.81 : x
  2. Step 2: Convert to fraction form
    107,498.04/161,317.29 = 40,938.81/x
  3. Step 3: Cross multiply
    107,498.04x = 161,317.29 × 40,938.81
  4. Step 4: Simplify right side
    107,498.04x = 6,604,137,885.02
  5. Step 5: Solve for x
    x = 6,604,137,885.02/107,498.04
  6. Step 6: Final answer
    x = 61,434.96

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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.