Home / 79,237.06-109,347.28-43,426.31

Finding the Fourth Proportional to 79,237.06, 109,347.28 and 43,426.31

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Solution

The fourth proportional to 79,237.06, 109,347.28 and 43,426.31 is: 59,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,237.06 : 109,347.28 = 43,426.31 : x
  2. Step 2: Convert to fraction form
    79,237.06/109,347.28 = 43,426.31/x
  3. Step 3: Cross multiply
    79,237.06x = 109,347.28 × 43,426.31
  4. Step 4: Simplify right side
    79,237.06x = 4,748,548,223.63
  5. Step 5: Solve for x
    x = 4,748,548,223.63/79,237.06
  6. Step 6: Final answer
    x = 59,928.38

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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.