Home / 101,335.48-139,838.79-58,890.76

Finding the Fourth Proportional to 101,335.48, 139,838.79 and 58,890.76

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Solution

The fourth proportional to 101,335.48, 139,838.79 and 58,890.76 is: 81,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,335.48 : 139,838.79 = 58,890.76 : x
  2. Step 2: Convert to fraction form
    101,335.48/139,838.79 = 58,890.76/x
  3. Step 3: Cross multiply
    101,335.48x = 139,838.79 × 58,890.76
  4. Step 4: Simplify right side
    101,335.48x = 8,235,212,620.58
  5. Step 5: Solve for x
    x = 8,235,212,620.58/101,335.48
  6. Step 6: Final answer
    x = 81,266.82

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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.