Home / 91,390.77-137,071.98-35,257.16

Finding the Fourth Proportional to 91,390.77, 137,071.98 and 35,257.16

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Solution

The fourth proportional to 91,390.77, 137,071.98 and 35,257.16 is: 52,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,390.77 : 137,071.98 = 35,257.16 : x
  2. Step 2: Convert to fraction form
    91,390.77/137,071.98 = 35,257.16/x
  3. Step 3: Cross multiply
    91,390.77x = 137,071.98 × 35,257.16
  4. Step 4: Simplify right side
    91,390.77x = 4,832,769,073.06
  5. Step 5: Solve for x
    x = 4,832,769,073.06/91,390.77
  6. Step 6: Final answer
    x = 52,880.28

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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.