Home / 79,260.48-109,378.56-45,725.76

Finding the Fourth Proportional to 79,260.48, 109,378.56 and 45,725.76

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Solution

The fourth proportional to 79,260.48, 109,378.56 and 45,725.76 is: 63,101.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,260.48 : 109,378.56 = 45,725.76 : x
  2. Step 2: Convert to fraction form
    79,260.48/109,378.56 = 45,725.76/x
  3. Step 3: Cross multiply
    79,260.48x = 109,378.56 × 45,725.76
  4. Step 4: Simplify right side
    79,260.48x = 5,001,417,783.71
  5. Step 5: Solve for x
    x = 5,001,417,783.71/79,260.48
  6. Step 6: Final answer
    x = 63,101.03

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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.