Home / 79,283.07-109,411.47-45,296.01

Finding the Fourth Proportional to 79,283.07, 109,411.47 and 45,296.01

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Solution

The fourth proportional to 79,283.07, 109,411.47 and 45,296.01 is: 62,508.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,283.07 : 109,411.47 = 45,296.01 : x
  2. Step 2: Convert to fraction form
    79,283.07/109,411.47 = 45,296.01/x
  3. Step 3: Cross multiply
    79,283.07x = 109,411.47 × 45,296.01
  4. Step 4: Simplify right side
    79,283.07x = 4,955,903,039.23
  5. Step 5: Solve for x
    x = 4,955,903,039.23/79,283.07
  6. Step 6: Final answer
    x = 62,508.97

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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.