Home / 101,417.14-139,954.45-56,091.56

Finding the Fourth Proportional to 101,417.14, 139,954.45 and 56,091.56

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Solution

The fourth proportional to 101,417.14, 139,954.45 and 56,091.56 is: 77,405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,417.14 : 139,954.45 = 56,091.56 : x
  2. Step 2: Convert to fraction form
    101,417.14/139,954.45 = 56,091.56/x
  3. Step 3: Cross multiply
    101,417.14x = 139,954.45 × 56,091.56
  4. Step 4: Simplify right side
    101,417.14x = 7,850,263,148.98
  5. Step 5: Solve for x
    x = 7,850,263,148.98/101,417.14
  6. Step 6: Final answer
    x = 77,405.69

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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.