Home / 103,678.12-155,268.01-59,169.93

Finding the Fourth Proportional to 103,678.12, 155,268.01 and 59,169.93

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Solution

The fourth proportional to 103,678.12, 155,268.01 and 59,169.93 is: 88,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,678.12 : 155,268.01 = 59,169.93 : x
  2. Step 2: Convert to fraction form
    103,678.12/155,268.01 = 59,169.93/x
  3. Step 3: Cross multiply
    103,678.12x = 155,268.01 × 59,169.93
  4. Step 4: Simplify right side
    103,678.12x = 9,187,197,282.94
  5. Step 5: Solve for x
    x = 9,187,197,282.94/103,678.12
  6. Step 6: Final answer
    x = 88,612.69

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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.