Home / 69,035.13-103,386.61-39,363.01

Finding the Fourth Proportional to 69,035.13, 103,386.61 and 39,363.01

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Solution

The fourth proportional to 69,035.13, 103,386.61 and 39,363.01 is: 58,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,035.13 : 103,386.61 = 39,363.01 : x
  2. Step 2: Convert to fraction form
    69,035.13/103,386.61 = 39,363.01/x
  3. Step 3: Cross multiply
    69,035.13x = 103,386.61 × 39,363.01
  4. Step 4: Simplify right side
    69,035.13x = 4,069,607,646.36
  5. Step 5: Solve for x
    x = 4,069,607,646.36/69,035.13
  6. Step 6: Final answer
    x = 58,949.81

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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.