Home / 91,551.44-137,346.75-28,370.16

Finding the Fourth Proportional to 91,551.44, 137,346.75 and 28,370.16

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Solution

The fourth proportional to 91,551.44, 137,346.75 and 28,370.16 is: 42,561.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,551.44 : 137,346.75 = 28,370.16 : x
  2. Step 2: Convert to fraction form
    91,551.44/137,346.75 = 28,370.16/x
  3. Step 3: Cross multiply
    91,551.44x = 137,346.75 × 28,370.16
  4. Step 4: Simplify right side
    91,551.44x = 3,896,549,272.98
  5. Step 5: Solve for x
    x = 3,896,549,272.98/91,551.44
  6. Step 6: Final answer
    x = 42,561.31

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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.