Home / 75,484.13-104,168.32-43,219.25

Finding the Fourth Proportional to 75,484.13, 104,168.32 and 43,219.25

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Solution

The fourth proportional to 75,484.13, 104,168.32 and 43,219.25 is: 59,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,484.13 : 104,168.32 = 43,219.25 : x
  2. Step 2: Convert to fraction form
    75,484.13/104,168.32 = 43,219.25/x
  3. Step 3: Cross multiply
    75,484.13x = 104,168.32 × 43,219.25
  4. Step 4: Simplify right side
    75,484.13x = 4,502,076,364.35
  5. Step 5: Solve for x
    x = 4,502,076,364.35/75,484.13
  6. Step 6: Final answer
    x = 59,642.68

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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.