Home / 76,044.12-104,944.32-42,510.12

Finding the Fourth Proportional to 76,044.12, 104,944.32 and 42,510.12

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Solution

The fourth proportional to 76,044.12, 104,944.32 and 42,510.12 is: 58,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,044.12 : 104,944.32 = 42,510.12 : x
  2. Step 2: Convert to fraction form
    76,044.12/104,944.32 = 42,510.12/x
  3. Step 3: Cross multiply
    76,044.12x = 104,944.32 × 42,510.12
  4. Step 4: Simplify right side
    76,044.12x = 4,461,195,636.52
  5. Step 5: Solve for x
    x = 4,461,195,636.52/76,044.12
  6. Step 6: Final answer
    x = 58,665.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.