Home / 56,183.19-77,530.10-31,032.15

Finding the Fourth Proportional to 56,183.19, 77,530.10 and 31,032.15

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Solution

The fourth proportional to 56,183.19, 77,530.10 and 31,032.15 is: 42,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,183.19 : 77,530.10 = 31,032.15 : x
  2. Step 2: Convert to fraction form
    56,183.19/77,530.10 = 31,032.15/x
  3. Step 3: Cross multiply
    56,183.19x = 77,530.10 × 31,032.15
  4. Step 4: Simplify right side
    56,183.19x = 2,405,925,537.55
  5. Step 5: Solve for x
    x = 2,405,925,537.55/56,183.19
  6. Step 6: Final answer
    x = 42,822.87

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1.5x scale

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.