Home / 60,932.94-83,913.08-57,135.76

Finding the Fourth Proportional to 60,932.94, 83,913.08 and 57,135.76

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Solution

The fourth proportional to 60,932.94, 83,913.08 and 57,135.76 is: 78,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,932.94 : 83,913.08 = 57,135.76 : x
  2. Step 2: Convert to fraction form
    60,932.94/83,913.08 = 57,135.76/x
  3. Step 3: Cross multiply
    60,932.94x = 83,913.08 × 57,135.76
  4. Step 4: Simplify right side
    60,932.94x = 4,794,437,599.74
  5. Step 5: Solve for x
    x = 4,794,437,599.74/60,932.94
  6. Step 6: Final answer
    x = 78,683.84

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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.