Home / 56,742.54-85,113.72-56,660.46

Finding the Fourth Proportional to 56,742.54, 85,113.72 and 56,660.46

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Solution

The fourth proportional to 56,742.54, 85,113.72 and 56,660.46 is: 84,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,742.54 : 85,113.72 = 56,660.46 : x
  2. Step 2: Convert to fraction form
    56,742.54/85,113.72 = 56,660.46/x
  3. Step 3: Cross multiply
    56,742.54x = 85,113.72 × 56,660.46
  4. Step 4: Simplify right side
    56,742.54x = 4,822,582,527.51
  5. Step 5: Solve for x
    x = 4,822,582,527.51/56,742.54
  6. Step 6: Final answer
    x = 84,990.60

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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.