Home / 79,013.56-109,038.81-43,203.73

Finding the Fourth Proportional to 79,013.56, 109,038.81 and 43,203.73

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Solution

The fourth proportional to 79,013.56, 109,038.81 and 43,203.73 is: 59,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,013.56 : 109,038.81 = 43,203.73 : x
  2. Step 2: Convert to fraction form
    79,013.56/109,038.81 = 43,203.73/x
  3. Step 3: Cross multiply
    79,013.56x = 109,038.81 × 43,203.73
  4. Step 4: Simplify right side
    79,013.56x = 4,710,883,306.76
  5. Step 5: Solve for x
    x = 4,710,883,306.76/79,013.56
  6. Step 6: Final answer
    x = 59,621.20

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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.