Home / 76,836.48-106,082.76-58,897.68

Finding the Fourth Proportional to 76,836.48, 106,082.76 and 58,897.68

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Solution

The fourth proportional to 76,836.48, 106,082.76 and 58,897.68 is: 81,315.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,836.48 : 106,082.76 = 58,897.68 : x
  2. Step 2: Convert to fraction form
    76,836.48/106,082.76 = 58,897.68/x
  3. Step 3: Cross multiply
    76,836.48x = 106,082.76 × 58,897.68
  4. Step 4: Simplify right side
    76,836.48x = 6,248,028,452.00
  5. Step 5: Solve for x
    x = 6,248,028,452.00/76,836.48
  6. Step 6: Final answer
    x = 81,315.91

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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.