Home / 77,275.44-106,638.66-43,283.52

Finding the Fourth Proportional to 77,275.44, 106,638.66 and 43,283.52

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Solution

The fourth proportional to 77,275.44, 106,638.66 and 43,283.52 is: 59,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,275.44 : 106,638.66 = 43,283.52 : x
  2. Step 2: Convert to fraction form
    77,275.44/106,638.66 = 43,283.52/x
  3. Step 3: Cross multiply
    77,275.44x = 106,638.66 × 43,283.52
  4. Step 4: Simplify right side
    77,275.44x = 4,615,696,572.88
  5. Step 5: Solve for x
    x = 4,615,696,572.88/77,275.44
  6. Step 6: Final answer
    x = 59,730.45

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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.