Home / 56,138.81-77,335.88-48,046.49

Finding the Fourth Proportional to 56,138.81, 77,335.88 and 48,046.49

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Solution

The fourth proportional to 56,138.81, 77,335.88 and 48,046.49 is: 66,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,138.81 : 77,335.88 = 48,046.49 : x
  2. Step 2: Convert to fraction form
    56,138.81/77,335.88 = 48,046.49/x
  3. Step 3: Cross multiply
    56,138.81x = 77,335.88 × 48,046.49
  4. Step 4: Simplify right side
    56,138.81x = 3,715,717,318.50
  5. Step 5: Solve for x
    x = 3,715,717,318.50/56,138.81
  6. Step 6: Final answer
    x = 66,188.03

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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.