Home / 77,392.36-106,756.10-48,666.47

Finding the Fourth Proportional to 77,392.36, 106,756.10 and 48,666.47

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Solution

The fourth proportional to 77,392.36, 106,756.10 and 48,666.47 is: 67,131.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,392.36 : 106,756.10 = 48,666.47 : x
  2. Step 2: Convert to fraction form
    77,392.36/106,756.10 = 48,666.47/x
  3. Step 3: Cross multiply
    77,392.36x = 106,756.10 × 48,666.47
  4. Step 4: Simplify right side
    77,392.36x = 5,195,442,744.02
  5. Step 5: Solve for x
    x = 5,195,442,744.02/77,392.36
  6. Step 6: Final answer
    x = 67,131.21

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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.