Home / 66,349.50-91,562.31-38,057.01

Finding the Fourth Proportional to 66,349.50, 91,562.31 and 38,057.01

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Solution

The fourth proportional to 66,349.50, 91,562.31 and 38,057.01 is: 52,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,349.50 : 91,562.31 = 38,057.01 : x
  2. Step 2: Convert to fraction form
    66,349.50/91,562.31 = 38,057.01/x
  3. Step 3: Cross multiply
    66,349.50x = 91,562.31 × 38,057.01
  4. Step 4: Simplify right side
    66,349.50x = 3,484,587,747.29
  5. Step 5: Solve for x
    x = 3,484,587,747.29/66,349.50
  6. Step 6: Final answer
    x = 52,518.67

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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.