Home / 92,316.51-138,467.60-56,782.55

Finding the Fourth Proportional to 92,316.51, 138,467.60 and 56,782.55

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Solution

The fourth proportional to 92,316.51, 138,467.60 and 56,782.55 is: 85,169.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,316.51 : 138,467.60 = 56,782.55 : x
  2. Step 2: Convert to fraction form
    92,316.51/138,467.60 = 56,782.55/x
  3. Step 3: Cross multiply
    92,316.51x = 138,467.60 × 56,782.55
  4. Step 4: Simplify right side
    92,316.51x = 7,862,542,444.13
  5. Step 5: Solve for x
    x = 7,862,542,444.13/92,316.51
  6. Step 6: Final answer
    x = 85,169.41

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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.