Home / 71,337.02-98,448.05-39,505.94

Finding the Fourth Proportional to 71,337.02, 98,448.05 and 39,505.94

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Solution

The fourth proportional to 71,337.02, 98,448.05 and 39,505.94 is: 54,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,337.02 : 98,448.05 = 39,505.94 : x
  2. Step 2: Convert to fraction form
    71,337.02/98,448.05 = 39,505.94/x
  3. Step 3: Cross multiply
    71,337.02x = 98,448.05 × 39,505.94
  4. Step 4: Simplify right side
    71,337.02x = 3,889,282,066.65
  5. Step 5: Solve for x
    x = 3,889,282,066.65/71,337.02
  6. Step 6: Final answer
    x = 54,519.83

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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.