Home / 75,678.04-104,326.59-52,946.61

Finding the Fourth Proportional to 75,678.04, 104,326.59 and 52,946.61

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Solution

The fourth proportional to 75,678.04, 104,326.59 and 52,946.61 is: 72,989.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,678.04 : 104,326.59 = 52,946.61 : x
  2. Step 2: Convert to fraction form
    75,678.04/104,326.59 = 52,946.61/x
  3. Step 3: Cross multiply
    75,678.04x = 104,326.59 × 52,946.61
  4. Step 4: Simplify right side
    75,678.04x = 5,523,739,273.36
  5. Step 5: Solve for x
    x = 5,523,739,273.36/75,678.04
  6. Step 6: Final answer
    x = 72,989.99

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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.