Home / 88,090.62-121,562.19-49,328.46

Finding the Fourth Proportional to 88,090.62, 121,562.19 and 49,328.46

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Solution

The fourth proportional to 88,090.62, 121,562.19 and 49,328.46 is: 68,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,090.62 : 121,562.19 = 49,328.46 : x
  2. Step 2: Convert to fraction form
    88,090.62/121,562.19 = 49,328.46/x
  3. Step 3: Cross multiply
    88,090.62x = 121,562.19 × 49,328.46
  4. Step 4: Simplify right side
    88,090.62x = 5,996,475,626.93
  5. Step 5: Solve for x
    x = 5,996,475,626.93/88,090.62
  6. Step 6: Final answer
    x = 68,071.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.