Home / 103,903.52-143,405.56-58,595.36

Finding the Fourth Proportional to 103,903.52, 143,405.56 and 58,595.36

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Solution

The fourth proportional to 103,903.52, 143,405.56 and 58,595.36 is: 80,872.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,903.52 : 143,405.56 = 58,595.36 : x
  2. Step 2: Convert to fraction form
    103,903.52/143,405.56 = 58,595.36/x
  3. Step 3: Cross multiply
    103,903.52x = 143,405.56 × 58,595.36
  4. Step 4: Simplify right side
    103,903.52x = 8,402,900,414.20
  5. Step 5: Solve for x
    x = 8,402,900,414.20/103,903.52
  6. Step 6: Final answer
    x = 80,872.14

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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.