Home / 74,015.79-102,077.22-52,462.90

Finding the Fourth Proportional to 74,015.79, 102,077.22 and 52,462.90

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Solution

The fourth proportional to 74,015.79, 102,077.22 and 52,462.90 is: 72,353.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,015.79 : 102,077.22 = 52,462.90 : x
  2. Step 2: Convert to fraction form
    74,015.79/102,077.22 = 52,462.90/x
  3. Step 3: Cross multiply
    74,015.79x = 102,077.22 × 52,462.90
  4. Step 4: Simplify right side
    74,015.79x = 5,355,266,985.14
  5. Step 5: Solve for x
    x = 5,355,266,985.14/74,015.79
  6. Step 6: Final answer
    x = 72,353.03

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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.