Home / 56,735.93-78,305.79-32,875.76

Finding the Fourth Proportional to 56,735.93, 78,305.79 and 32,875.76

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Solution

The fourth proportional to 56,735.93, 78,305.79 and 32,875.76 is: 45,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,735.93 : 78,305.79 = 32,875.76 : x
  2. Step 2: Convert to fraction form
    56,735.93/78,305.79 = 32,875.76/x
  3. Step 3: Cross multiply
    56,735.93x = 78,305.79 × 32,875.76
  4. Step 4: Simplify right side
    56,735.93x = 2,574,361,967.12
  5. Step 5: Solve for x
    x = 2,574,361,967.12/56,735.93
  6. Step 6: Final answer
    x = 45,374.46

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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.