Home / 75,666.74-104,370.10-47,323.22

Finding the Fourth Proportional to 75,666.74, 104,370.10 and 47,323.22

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Solution

The fourth proportional to 75,666.74, 104,370.10 and 47,323.22 is: 65,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,666.74 : 104,370.10 = 47,323.22 : x
  2. Step 2: Convert to fraction form
    75,666.74/104,370.10 = 47,323.22/x
  3. Step 3: Cross multiply
    75,666.74x = 104,370.10 × 47,323.22
  4. Step 4: Simplify right side
    75,666.74x = 4,939,128,967.11
  5. Step 5: Solve for x
    x = 4,939,128,967.11/75,666.74
  6. Step 6: Final answer
    x = 65,274.77

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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.