Home / 103,567.14-142,920.52-57,625.76

Finding the Fourth Proportional to 103,567.14, 142,920.52 and 57,625.76

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Solution

The fourth proportional to 103,567.14, 142,920.52 and 57,625.76 is: 79,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,567.14 : 142,920.52 = 57,625.76 : x
  2. Step 2: Convert to fraction form
    103,567.14/142,920.52 = 57,625.76/x
  3. Step 3: Cross multiply
    103,567.14x = 142,920.52 × 57,625.76
  4. Step 4: Simplify right side
    103,567.14x = 8,235,903,797.83
  5. Step 5: Solve for x
    x = 8,235,903,797.83/103,567.14
  6. Step 6: Final answer
    x = 79,522.36

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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.