Home / 98,697.20-148,002.60-39,513.20

Finding the Fourth Proportional to 98,697.20, 148,002.60 and 39,513.20

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Solution

The fourth proportional to 98,697.20, 148,002.60 and 39,513.20 is: 59,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,697.20 : 148,002.60 = 39,513.20 : x
  2. Step 2: Convert to fraction form
    98,697.20/148,002.60 = 39,513.20/x
  3. Step 3: Cross multiply
    98,697.20x = 148,002.60 × 39,513.20
  4. Step 4: Simplify right side
    98,697.20x = 5,848,056,334.32
  5. Step 5: Solve for x
    x = 5,848,056,334.32/98,697.20
  6. Step 6: Final answer
    x = 59,252.50

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1.5x scale

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.