Home / 89,681.67-134,190.35-56,134.46

Finding the Fourth Proportional to 89,681.67, 134,190.35 and 56,134.46

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Solution

The fourth proportional to 89,681.67, 134,190.35 and 56,134.46 is: 83,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,681.67 : 134,190.35 = 56,134.46 : x
  2. Step 2: Convert to fraction form
    89,681.67/134,190.35 = 56,134.46/x
  3. Step 3: Cross multiply
    89,681.67x = 134,190.35 × 56,134.46
  4. Step 4: Simplify right side
    89,681.67x = 7,532,702,834.46
  5. Step 5: Solve for x
    x = 7,532,702,834.46/89,681.67
  6. Step 6: Final answer
    x = 83,993.78

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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.