Home / 71,307.12-98,404.83-39,476.01

Finding the Fourth Proportional to 71,307.12, 98,404.83 and 39,476.01

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Solution

The fourth proportional to 71,307.12, 98,404.83 and 39,476.01 is: 54,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,307.12 : 98,404.83 = 39,476.01 : x
  2. Step 2: Convert to fraction form
    71,307.12/98,404.83 = 39,476.01/x
  3. Step 3: Cross multiply
    71,307.12x = 98,404.83 × 39,476.01
  4. Step 4: Simplify right side
    71,307.12x = 3,884,630,053.13
  5. Step 5: Solve for x
    x = 3,884,630,053.13/71,307.12
  6. Step 6: Final answer
    x = 54,477.45

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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.