Home / 56,864.66-78,447.86-32,977.50

Finding the Fourth Proportional to 56,864.66, 78,447.86 and 32,977.50

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Solution

The fourth proportional to 56,864.66, 78,447.86 and 32,977.50 is: 45,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,864.66 : 78,447.86 = 32,977.50 : x
  2. Step 2: Convert to fraction form
    56,864.66/78,447.86 = 32,977.50/x
  3. Step 3: Cross multiply
    56,864.66x = 78,447.86 × 32,977.50
  4. Step 4: Simplify right side
    56,864.66x = 2,587,014,303.15
  5. Step 5: Solve for x
    x = 2,587,014,303.15/56,864.66
  6. Step 6: Final answer
    x = 45,494.24

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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.