Home / 79,725.12-110,015.52-45,726.24

Finding the Fourth Proportional to 79,725.12, 110,015.52 and 45,726.24

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Solution

The fourth proportional to 79,725.12, 110,015.52 and 45,726.24 is: 63,099.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,725.12 : 110,015.52 = 45,726.24 : x
  2. Step 2: Convert to fraction form
    79,725.12/110,015.52 = 45,726.24/x
  3. Step 3: Cross multiply
    79,725.12x = 110,015.52 × 45,726.24
  4. Step 4: Simplify right side
    79,725.12x = 5,030,596,071.24
  5. Step 5: Solve for x
    x = 5,030,596,071.24/79,725.12
  6. Step 6: Final answer
    x = 63,099.26

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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.