Home / 66,239.94-99,359.91-38,518.50

Finding the Fourth Proportional to 66,239.94, 99,359.91 and 38,518.50

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Solution

The fourth proportional to 66,239.94, 99,359.91 and 38,518.50 is: 57,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,239.94 : 99,359.91 = 38,518.50 : x
  2. Step 2: Convert to fraction form
    66,239.94/99,359.91 = 38,518.50/x
  3. Step 3: Cross multiply
    66,239.94x = 99,359.91 × 38,518.50
  4. Step 4: Simplify right side
    66,239.94x = 3,827,194,693.34
  5. Step 5: Solve for x
    x = 3,827,194,693.34/66,239.94
  6. Step 6: Final answer
    x = 57,777.75

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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.