Home / 52,477.31-78,701.57-31,400.76

Finding the Fourth Proportional to 52,477.31, 78,701.57 and 31,400.76

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Solution

The fourth proportional to 52,477.31, 78,701.57 and 31,400.76 is: 47,092.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,477.31 : 78,701.57 = 31,400.76 : x
  2. Step 2: Convert to fraction form
    52,477.31/78,701.57 = 31,400.76/x
  3. Step 3: Cross multiply
    52,477.31x = 78,701.57 × 31,400.76
  4. Step 4: Simplify right side
    52,477.31x = 2,471,288,954.19
  5. Step 5: Solve for x
    x = 2,471,288,954.19/52,477.31
  6. Step 6: Final answer
    x = 47,092.53

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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.