Home / 61,604.06-91,960.45-54,130.70

Finding the Fourth Proportional to 61,604.06, 91,960.45 and 54,130.70

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Solution

The fourth proportional to 61,604.06, 91,960.45 and 54,130.70 is: 80,804.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,604.06 : 91,960.45 = 54,130.70 : x
  2. Step 2: Convert to fraction form
    61,604.06/91,960.45 = 54,130.70/x
  3. Step 3: Cross multiply
    61,604.06x = 91,960.45 × 54,130.70
  4. Step 4: Simplify right side
    61,604.06x = 4,977,883,530.82
  5. Step 5: Solve for x
    x = 4,977,883,530.82/61,604.06
  6. Step 6: Final answer
    x = 80,804.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.