Home / 99,192.64-148,794.58-31,730.59

Finding the Fourth Proportional to 99,192.64, 148,794.58 and 31,730.59

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Solution

The fourth proportional to 99,192.64, 148,794.58 and 31,730.59 is: 47,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,192.64 : 148,794.58 = 31,730.59 : x
  2. Step 2: Convert to fraction form
    99,192.64/148,794.58 = 31,730.59/x
  3. Step 3: Cross multiply
    99,192.64x = 148,794.58 × 31,730.59
  4. Step 4: Simplify right side
    99,192.64x = 4,721,339,812.20
  5. Step 5: Solve for x
    x = 4,721,339,812.20/99,192.64
  6. Step 6: Final answer
    x = 47,597.68

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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.