Home / 77,254.08-106,616.46-43,260.84

Finding the Fourth Proportional to 77,254.08, 106,616.46 and 43,260.84

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Solution

The fourth proportional to 77,254.08, 106,616.46 and 43,260.84 is: 59,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,254.08 : 106,616.46 = 43,260.84 : x
  2. Step 2: Convert to fraction form
    77,254.08/106,616.46 = 43,260.84/x
  3. Step 3: Cross multiply
    77,254.08x = 106,616.46 × 43,260.84
  4. Step 4: Simplify right side
    77,254.08x = 4,612,317,617.43
  5. Step 5: Solve for x
    x = 4,612,317,617.43/77,254.08
  6. Step 6: Final answer
    x = 59,703.22

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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.