Home / 79,724.80-110,018.88-43,918.16

Finding the Fourth Proportional to 79,724.80, 110,018.88 and 43,918.16

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Solution

The fourth proportional to 79,724.80, 110,018.88 and 43,918.16 is: 60,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,724.80 : 110,018.88 = 43,918.16 : x
  2. Step 2: Convert to fraction form
    79,724.80/110,018.88 = 43,918.16/x
  3. Step 3: Cross multiply
    79,724.80x = 110,018.88 × 43,918.16
  4. Step 4: Simplify right side
    79,724.80x = 4,831,826,774.86
  5. Step 5: Solve for x
    x = 4,831,826,774.86/79,724.80
  6. Step 6: Final answer
    x = 60,606.32

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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.