Home / 79,235.38-109,347.36-43,427.59

Finding the Fourth Proportional to 79,235.38, 109,347.36 and 43,427.59

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Solution

The fourth proportional to 79,235.38, 109,347.36 and 43,427.59 is: 59,931.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,235.38 : 109,347.36 = 43,427.59 : x
  2. Step 2: Convert to fraction form
    79,235.38/109,347.36 = 43,427.59/x
  3. Step 3: Cross multiply
    79,235.38x = 109,347.36 × 43,427.59
  4. Step 4: Simplify right side
    79,235.38x = 4,748,692,317.66
  5. Step 5: Solve for x
    x = 4,748,692,317.66/79,235.38
  6. Step 6: Final answer
    x = 59,931.46

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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.