Home / 91,388.77-137,068.98-35,255.19

Finding the Fourth Proportional to 91,388.77, 137,068.98 and 35,255.19

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Solution

The fourth proportional to 91,388.77, 137,068.98 and 35,255.19 is: 52,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,388.77 : 137,068.98 = 35,255.19 : x
  2. Step 2: Convert to fraction form
    91,388.77/137,068.98 = 35,255.19/x
  3. Step 3: Cross multiply
    91,388.77x = 137,068.98 × 35,255.19
  4. Step 4: Simplify right side
    91,388.77x = 4,832,392,933.01
  5. Step 5: Solve for x
    x = 4,832,392,933.01/91,388.77
  6. Step 6: Final answer
    x = 52,877.32

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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.