Home / 53,866.32-81,123.60-47,703.84

Finding the Fourth Proportional to 53,866.32, 81,123.60 and 47,703.84

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Solution

The fourth proportional to 53,866.32, 81,123.60 and 47,703.84 is: 71,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,866.32 : 81,123.60 = 47,703.84 : x
  2. Step 2: Convert to fraction form
    53,866.32/81,123.60 = 47,703.84/x
  3. Step 3: Cross multiply
    53,866.32x = 81,123.60 × 47,703.84
  4. Step 4: Simplify right side
    53,866.32x = 3,869,907,234.62
  5. Step 5: Solve for x
    x = 3,869,907,234.62/53,866.32
  6. Step 6: Final answer
    x = 71,842.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.