Home / 56,985.07-85,502.64-30,324.76

Finding the Fourth Proportional to 56,985.07, 85,502.64 and 30,324.76

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Solution

The fourth proportional to 56,985.07, 85,502.64 and 30,324.76 is: 45,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,985.07 : 85,502.64 = 30,324.76 : x
  2. Step 2: Convert to fraction form
    56,985.07/85,502.64 = 30,324.76/x
  3. Step 3: Cross multiply
    56,985.07x = 85,502.64 × 30,324.76
  4. Step 4: Simplify right side
    56,985.07x = 2,592,847,037.37
  5. Step 5: Solve for x
    x = 2,592,847,037.37/56,985.07
  6. Step 6: Final answer
    x = 45,500.46

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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.