Home / 79,943.63-110,309.65-45,945.56

Finding the Fourth Proportional to 79,943.63, 110,309.65 and 45,945.56

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Solution

The fourth proportional to 79,943.63, 110,309.65 and 45,945.56 is: 63,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,943.63 : 110,309.65 = 45,945.56 : x
  2. Step 2: Convert to fraction form
    79,943.63/110,309.65 = 45,945.56/x
  3. Step 3: Cross multiply
    79,943.63x = 110,309.65 × 45,945.56
  4. Step 4: Simplify right side
    79,943.63x = 5,068,238,803.56
  5. Step 5: Solve for x
    x = 5,068,238,803.56/79,943.63
  6. Step 6: Final answer
    x = 63,397.66

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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.