Home / 77,289.19-106,659.08-43,755.19

Finding the Fourth Proportional to 77,289.19, 106,659.08 and 43,755.19

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Solution

The fourth proportional to 77,289.19, 106,659.08 and 43,755.19 is: 60,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,289.19 : 106,659.08 = 43,755.19 : x
  2. Step 2: Convert to fraction form
    77,289.19/106,659.08 = 43,755.19/x
  3. Step 3: Cross multiply
    77,289.19x = 106,659.08 × 43,755.19
  4. Step 4: Simplify right side
    77,289.19x = 4,666,887,989.28
  5. Step 5: Solve for x
    x = 4,666,887,989.28/77,289.19
  6. Step 6: Final answer
    x = 60,382.16

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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.