Home / 91,024.92-136,537.32-28,700.28

Finding the Fourth Proportional to 91,024.92, 136,537.32 and 28,700.28

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Solution

The fourth proportional to 91,024.92, 136,537.32 and 28,700.28 is: 43,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,024.92 : 136,537.32 = 28,700.28 : x
  2. Step 2: Convert to fraction form
    91,024.92/136,537.32 = 28,700.28/x
  3. Step 3: Cross multiply
    91,024.92x = 136,537.32 × 28,700.28
  4. Step 4: Simplify right side
    91,024.92x = 3,918,659,314.45
  5. Step 5: Solve for x
    x = 3,918,659,314.45/91,024.92
  6. Step 6: Final answer
    x = 43,050.40

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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.