Home / 77,118.60-106,411.68-44,860.32

Finding the Fourth Proportional to 77,118.60, 106,411.68 and 44,860.32

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Solution

The fourth proportional to 77,118.60, 106,411.68 and 44,860.32 is: 61,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,118.60 : 106,411.68 = 44,860.32 : x
  2. Step 2: Convert to fraction form
    77,118.60/106,411.68 = 44,860.32/x
  3. Step 3: Cross multiply
    77,118.60x = 106,411.68 × 44,860.32
  4. Step 4: Simplify right side
    77,118.60x = 4,773,662,016.54
  5. Step 5: Solve for x
    x = 4,773,662,016.54/77,118.60
  6. Step 6: Final answer
    x = 61,900.27

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1.5x scale

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.