Home / 57,120.36-78,768.36-44,031.17

Finding the Fourth Proportional to 57,120.36, 78,768.36 and 44,031.17

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Solution

The fourth proportional to 57,120.36, 78,768.36 and 44,031.17 is: 60,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,120.36 : 78,768.36 = 44,031.17 : x
  2. Step 2: Convert to fraction form
    57,120.36/78,768.36 = 44,031.17/x
  3. Step 3: Cross multiply
    57,120.36x = 78,768.36 × 44,031.17
  4. Step 4: Simplify right side
    57,120.36x = 3,468,262,655.94
  5. Step 5: Solve for x
    x = 3,468,262,655.94/57,120.36
  6. Step 6: Final answer
    x = 60,718.50

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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.