Home / 55,273.77-76,280.51-31,082.35

Finding the Fourth Proportional to 55,273.77, 76,280.51 and 31,082.35

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Solution

The fourth proportional to 55,273.77, 76,280.51 and 31,082.35 is: 42,895.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,273.77 : 76,280.51 = 31,082.35 : x
  2. Step 2: Convert to fraction form
    55,273.77/76,280.51 = 31,082.35/x
  3. Step 3: Cross multiply
    55,273.77x = 76,280.51 × 31,082.35
  4. Step 4: Simplify right side
    55,273.77x = 2,370,977,548.85
  5. Step 5: Solve for x
    x = 2,370,977,548.85/55,273.77
  6. Step 6: Final answer
    x = 42,895.16

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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.