Home / 104,315.55-143,944.88-64,031.01

Finding the Fourth Proportional to 104,315.55, 143,944.88 and 64,031.01

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Solution

The fourth proportional to 104,315.55, 143,944.88 and 64,031.01 is: 88,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,315.55 : 143,944.88 = 64,031.01 : x
  2. Step 2: Convert to fraction form
    104,315.55/143,944.88 = 64,031.01/x
  3. Step 3: Cross multiply
    104,315.55x = 143,944.88 × 64,031.01
  4. Step 4: Simplify right side
    104,315.55x = 9,216,935,730.57
  5. Step 5: Solve for x
    x = 9,216,935,730.57/104,315.55
  6. Step 6: Final answer
    x = 88,356.30

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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.