Home / 77,436.96-106,167.27-76,037.28

Finding the Fourth Proportional to 77,436.96, 106,167.27 and 76,037.28

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Solution

The fourth proportional to 77,436.96, 106,167.27 and 76,037.28 is: 104,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,436.96 : 106,167.27 = 76,037.28 : x
  2. Step 2: Convert to fraction form
    77,436.96/106,167.27 = 76,037.28/x
  3. Step 3: Cross multiply
    77,436.96x = 106,167.27 × 76,037.28
  4. Step 4: Simplify right side
    77,436.96x = 8,072,670,435.83
  5. Step 5: Solve for x
    x = 8,072,670,435.83/77,436.96
  6. Step 6: Final answer
    x = 104,248.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.