Home / 91,416.77-137,177.55-49,296.67

Finding the Fourth Proportional to 91,416.77, 137,177.55 and 49,296.67

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Solution

The fourth proportional to 91,416.77, 137,177.55 and 49,296.67 is: 73,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,416.77 : 137,177.55 = 49,296.67 : x
  2. Step 2: Convert to fraction form
    91,416.77/137,177.55 = 49,296.67/x
  3. Step 3: Cross multiply
    91,416.77x = 137,177.55 × 49,296.67
  4. Step 4: Simplify right side
    91,416.77x = 6,762,396,070.81
  5. Step 5: Solve for x
    x = 6,762,396,070.81/91,416.77
  6. Step 6: Final answer
    x = 73,973.26

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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.