Home / 53,130.41-73,320.08-29,257.13

Finding the Fourth Proportional to 53,130.41, 73,320.08 and 29,257.13

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Solution

The fourth proportional to 53,130.41, 73,320.08 and 29,257.13 is: 40,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130.41 : 73,320.08 = 29,257.13 : x
  2. Step 2: Convert to fraction form
    53,130.41/73,320.08 = 29,257.13/x
  3. Step 3: Cross multiply
    53,130.41x = 73,320.08 × 29,257.13
  4. Step 4: Simplify right side
    53,130.41x = 2,145,134,965.88
  5. Step 5: Solve for x
    x = 2,145,134,965.88/53,130.41
  6. Step 6: Final answer
    x = 40,374.90

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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.