Home / 79,374.51-109,541.75-52,470.36

Finding the Fourth Proportional to 79,374.51, 109,541.75 and 52,470.36

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Solution

The fourth proportional to 79,374.51, 109,541.75 and 52,470.36 is: 72,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,374.51 : 109,541.75 = 52,470.36 : x
  2. Step 2: Convert to fraction form
    79,374.51/109,541.75 = 52,470.36/x
  3. Step 3: Cross multiply
    79,374.51x = 109,541.75 × 52,470.36
  4. Step 4: Simplify right side
    79,374.51x = 5,747,694,795.18
  5. Step 5: Solve for x
    x = 5,747,694,795.18/79,374.51
  6. Step 6: Final answer
    x = 72,412.35

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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.