Home / 101,677.54-140,316.04-56,356.52

Finding the Fourth Proportional to 101,677.54, 140,316.04 and 56,356.52

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Solution

The fourth proportional to 101,677.54, 140,316.04 and 56,356.52 is: 77,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,677.54 : 140,316.04 = 56,356.52 : x
  2. Step 2: Convert to fraction form
    101,677.54/140,316.04 = 56,356.52/x
  3. Step 3: Cross multiply
    101,677.54x = 140,316.04 × 56,356.52
  4. Step 4: Simplify right side
    101,677.54x = 7,907,723,222.90
  5. Step 5: Solve for x
    x = 7,907,723,222.90/101,677.54
  6. Step 6: Final answer
    x = 77,772.57

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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.