Home / 77,237.12-115,857.70-24,646.56

Finding the Fourth Proportional to 77,237.12, 115,857.70 and 24,646.56

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Solution

The fourth proportional to 77,237.12, 115,857.70 and 24,646.56 is: 36,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,237.12 : 115,857.70 = 24,646.56 : x
  2. Step 2: Convert to fraction form
    77,237.12/115,857.70 = 24,646.56/x
  3. Step 3: Cross multiply
    77,237.12x = 115,857.70 × 24,646.56
  4. Step 4: Simplify right side
    77,237.12x = 2,855,493,754.51
  5. Step 5: Solve for x
    x = 2,855,493,754.51/77,237.12
  6. Step 6: Final answer
    x = 36,970.48

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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.