Home / 56,987.36-85,416.79-34,751.96

Finding the Fourth Proportional to 56,987.36, 85,416.79 and 34,751.96

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Solution

The fourth proportional to 56,987.36, 85,416.79 and 34,751.96 is: 52,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,987.36 : 85,416.79 = 34,751.96 : x
  2. Step 2: Convert to fraction form
    56,987.36/85,416.79 = 34,751.96/x
  3. Step 3: Cross multiply
    56,987.36x = 85,416.79 × 34,751.96
  4. Step 4: Simplify right side
    56,987.36x = 2,968,400,869.41
  5. Step 5: Solve for x
    x = 2,968,400,869.41/56,987.36
  6. Step 6: Final answer
    x = 52,088.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.