Home / 79,174.02-109,256.25-43,364.19

Finding the Fourth Proportional to 79,174.02, 109,256.25 and 43,364.19

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Solution

The fourth proportional to 79,174.02, 109,256.25 and 43,364.19 is: 59,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,174.02 : 109,256.25 = 43,364.19 : x
  2. Step 2: Convert to fraction form
    79,174.02/109,256.25 = 43,364.19/x
  3. Step 3: Cross multiply
    79,174.02x = 109,256.25 × 43,364.19
  4. Step 4: Simplify right side
    79,174.02x = 4,737,808,783.69
  5. Step 5: Solve for x
    x = 4,737,808,783.69/79,174.02
  6. Step 6: Final answer
    x = 59,840.45

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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.