Home / 75,992.04-104,307.24-72,744.36

Finding the Fourth Proportional to 75,992.04, 104,307.24 and 72,744.36

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Solution

The fourth proportional to 75,992.04, 104,307.24 and 72,744.36 is: 99,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,992.04 : 104,307.24 = 72,744.36 : x
  2. Step 2: Convert to fraction form
    75,992.04/104,307.24 = 72,744.36/x
  3. Step 3: Cross multiply
    75,992.04x = 104,307.24 × 72,744.36
  4. Step 4: Simplify right side
    75,992.04x = 7,587,763,417.17
  5. Step 5: Solve for x
    x = 7,587,763,417.17/75,992.04
  6. Step 6: Final answer
    x = 99,849.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.