Home / 52,236.19-78,357.02-39,775.76

Finding the Fourth Proportional to 52,236.19, 78,357.02 and 39,775.76

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Solution

The fourth proportional to 52,236.19, 78,357.02 and 39,775.76 is: 59,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,236.19 : 78,357.02 = 39,775.76 : x
  2. Step 2: Convert to fraction form
    52,236.19/78,357.02 = 39,775.76/x
  3. Step 3: Cross multiply
    52,236.19x = 78,357.02 × 39,775.76
  4. Step 4: Simplify right side
    52,236.19x = 3,116,710,021.84
  5. Step 5: Solve for x
    x = 3,116,710,021.84/52,236.19
  6. Step 6: Final answer
    x = 59,665.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.