Home / 64,811.05-89,438.85-37,948.16

Finding the Fourth Proportional to 64,811.05, 89,438.85 and 37,948.16

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Solution

The fourth proportional to 64,811.05, 89,438.85 and 37,948.16 is: 52,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,811.05 : 89,438.85 = 37,948.16 : x
  2. Step 2: Convert to fraction form
    64,811.05/89,438.85 = 37,948.16/x
  3. Step 3: Cross multiply
    64,811.05x = 89,438.85 × 37,948.16
  4. Step 4: Simplify right side
    64,811.05x = 3,394,039,790.02
  5. Step 5: Solve for x
    x = 3,394,039,790.02/64,811.05
  6. Step 6: Final answer
    x = 52,368.23

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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.