Home / 63,134.12-87,126.93-34,455.63

Finding the Fourth Proportional to 63,134.12, 87,126.93 and 34,455.63

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Solution

The fourth proportional to 63,134.12, 87,126.93 and 34,455.63 is: 47,549.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,134.12 : 87,126.93 = 34,455.63 : x
  2. Step 2: Convert to fraction form
    63,134.12/87,126.93 = 34,455.63/x
  3. Step 3: Cross multiply
    63,134.12x = 87,126.93 × 34,455.63
  4. Step 4: Simplify right side
    63,134.12x = 3,002,012,970.54
  5. Step 5: Solve for x
    x = 3,002,012,970.54/63,134.12
  6. Step 6: Final answer
    x = 47,549.77

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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.