Home / 64,515.57-89,030.17-36,221.25

Finding the Fourth Proportional to 64,515.57, 89,030.17 and 36,221.25

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Solution

The fourth proportional to 64,515.57, 89,030.17 and 36,221.25 is: 49,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515.57 : 89,030.17 = 36,221.25 : x
  2. Step 2: Convert to fraction form
    64,515.57/89,030.17 = 36,221.25/x
  3. Step 3: Cross multiply
    64,515.57x = 89,030.17 × 36,221.25
  4. Step 4: Simplify right side
    64,515.57x = 3,224,784,045.11
  5. Step 5: Solve for x
    x = 3,224,784,045.11/64,515.57
  6. Step 6: Final answer
    x = 49,984.59

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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.