Home / 72,061.44-99,325.81-48,179.40

Finding the Fourth Proportional to 72,061.44, 99,325.81 and 48,179.40

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Solution

The fourth proportional to 72,061.44, 99,325.81 and 48,179.40 is: 66,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,061.44 : 99,325.81 = 48,179.40 : x
  2. Step 2: Convert to fraction form
    72,061.44/99,325.81 = 48,179.40/x
  3. Step 3: Cross multiply
    72,061.44x = 99,325.81 × 48,179.40
  4. Step 4: Simplify right side
    72,061.44x = 4,785,457,930.31
  5. Step 5: Solve for x
    x = 4,785,457,930.31/72,061.44
  6. Step 6: Final answer
    x = 66,408.03

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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.