Home / 91,128.34-136,679.91-24,572.46

Finding the Fourth Proportional to 91,128.34, 136,679.91 and 24,572.46

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Solution

The fourth proportional to 91,128.34, 136,679.91 and 24,572.46 is: 36,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,128.34 : 136,679.91 = 24,572.46 : x
  2. Step 2: Convert to fraction form
    91,128.34/136,679.91 = 24,572.46/x
  3. Step 3: Cross multiply
    91,128.34x = 136,679.91 × 24,572.46
  4. Step 4: Simplify right side
    91,128.34x = 3,358,562,041.68
  5. Step 5: Solve for x
    x = 3,358,562,041.68/91,128.34
  6. Step 6: Final answer
    x = 36,855.30

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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.