Home / 103,726.82-155,340.75-59,218.62

Finding the Fourth Proportional to 103,726.82, 155,340.75 and 59,218.62

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Solution

The fourth proportional to 103,726.82, 155,340.75 and 59,218.62 is: 88,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,726.82 : 155,340.75 = 59,218.62 : x
  2. Step 2: Convert to fraction form
    103,726.82/155,340.75 = 59,218.62/x
  3. Step 3: Cross multiply
    103,726.82x = 155,340.75 × 59,218.62
  4. Step 4: Simplify right side
    103,726.82x = 9,199,064,844.77
  5. Step 5: Solve for x
    x = 9,199,064,844.77/103,726.82
  6. Step 6: Final answer
    x = 88,685.50

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1.5x scale

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.