Home / 52,254.56-72,111.43-30,745.11

Finding the Fourth Proportional to 52,254.56, 72,111.43 and 30,745.11

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Solution

The fourth proportional to 52,254.56, 72,111.43 and 30,745.11 is: 42,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,254.56 : 72,111.43 = 30,745.11 : x
  2. Step 2: Convert to fraction form
    52,254.56/72,111.43 = 30,745.11/x
  3. Step 3: Cross multiply
    52,254.56x = 72,111.43 × 30,745.11
  4. Step 4: Simplify right side
    52,254.56x = 2,217,074,156.46
  5. Step 5: Solve for x
    x = 2,217,074,156.46/52,254.56
  6. Step 6: Final answer
    x = 42,428.34

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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.