Home / 77,264.85-106,607.21-43,730.85

Finding the Fourth Proportional to 77,264.85, 106,607.21 and 43,730.85

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Solution

The fourth proportional to 77,264.85, 106,607.21 and 43,730.85 is: 60,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,264.85 : 106,607.21 = 43,730.85 : x
  2. Step 2: Convert to fraction form
    77,264.85/106,607.21 = 43,730.85/x
  3. Step 3: Cross multiply
    77,264.85x = 106,607.21 × 43,730.85
  4. Step 4: Simplify right side
    77,264.85x = 4,662,023,376.39
  5. Step 5: Solve for x
    x = 4,662,023,376.39/77,264.85
  6. Step 6: Final answer
    x = 60,338.22

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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.