Home / 52,125.16-71,932.98-30,629.40

Finding the Fourth Proportional to 52,125.16, 71,932.98 and 30,629.40

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Solution

The fourth proportional to 52,125.16, 71,932.98 and 30,629.40 is: 42,268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,125.16 : 71,932.98 = 30,629.40 : x
  2. Step 2: Convert to fraction form
    52,125.16/71,932.98 = 30,629.40/x
  3. Step 3: Cross multiply
    52,125.16x = 71,932.98 × 30,629.40
  4. Step 4: Simplify right side
    52,125.16x = 2,203,264,017.61
  5. Step 5: Solve for x
    x = 2,203,264,017.61/52,125.16
  6. Step 6: Final answer
    x = 42,268.72

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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.