Home / 55,930.24-77,017.20-54,688.48

Finding the Fourth Proportional to 55,930.24, 77,017.20 and 54,688.48

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Solution

The fourth proportional to 55,930.24, 77,017.20 and 54,688.48 is: 75,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,930.24 : 77,017.20 = 54,688.48 : x
  2. Step 2: Convert to fraction form
    55,930.24/77,017.20 = 54,688.48/x
  3. Step 3: Cross multiply
    55,930.24x = 77,017.20 × 54,688.48
  4. Step 4: Simplify right side
    55,930.24x = 4,211,953,601.86
  5. Step 5: Solve for x
    x = 4,211,953,601.86/55,930.24
  6. Step 6: Final answer
    x = 75,307.27

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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.