Home / 99,272.91-148,825.56-43,070.64

Finding the Fourth Proportional to 99,272.91, 148,825.56 and 43,070.64

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Solution

The fourth proportional to 99,272.91, 148,825.56 and 43,070.64 is: 64,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,272.91 : 148,825.56 = 43,070.64 : x
  2. Step 2: Convert to fraction form
    99,272.91/148,825.56 = 43,070.64/x
  3. Step 3: Cross multiply
    99,272.91x = 148,825.56 × 43,070.64
  4. Step 4: Simplify right side
    99,272.91x = 6,410,012,117.56
  5. Step 5: Solve for x
    x = 6,410,012,117.56/99,272.91
  6. Step 6: Final answer
    x = 64,569.60

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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.