Home / 67,068.48-100,531.44-31,933.92

Finding the Fourth Proportional to 67,068.48, 100,531.44 and 31,933.92

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Solution

The fourth proportional to 67,068.48, 100,531.44 and 31,933.92 is: 47,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068.48 : 100,531.44 = 31,933.92 : x
  2. Step 2: Convert to fraction form
    67,068.48/100,531.44 = 31,933.92/x
  3. Step 3: Cross multiply
    67,068.48x = 100,531.44 × 31,933.92
  4. Step 4: Simplify right side
    67,068.48x = 3,210,362,962.44
  5. Step 5: Solve for x
    x = 3,210,362,962.44/67,068.48
  6. Step 6: Final answer
    x = 47,866.94

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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.