Home / 101,362.07-139,882.58-56,042.98

Finding the Fourth Proportional to 101,362.07, 139,882.58 and 56,042.98

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Solution

The fourth proportional to 101,362.07, 139,882.58 and 56,042.98 is: 77,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,362.07 : 139,882.58 = 56,042.98 : x
  2. Step 2: Convert to fraction form
    101,362.07/139,882.58 = 56,042.98/x
  3. Step 3: Cross multiply
    101,362.07x = 139,882.58 × 56,042.98
  4. Step 4: Simplify right side
    101,362.07x = 7,839,435,653.66
  5. Step 5: Solve for x
    x = 7,839,435,653.66/101,362.07
  6. Step 6: Final answer
    x = 77,340.92

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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.