Home / 55,768.30-77,111.63-54,866.94

Finding the Fourth Proportional to 55,768.30, 77,111.63 and 54,866.94

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Solution

The fourth proportional to 55,768.30, 77,111.63 and 54,866.94 is: 75,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,768.30 : 77,111.63 = 54,866.94 : x
  2. Step 2: Convert to fraction form
    55,768.30/77,111.63 = 54,866.94/x
  3. Step 3: Cross multiply
    55,768.30x = 77,111.63 × 54,866.94
  4. Step 4: Simplify right side
    55,768.30x = 4,230,878,818.76
  5. Step 5: Solve for x
    x = 4,230,878,818.76/55,768.30
  6. Step 6: Final answer
    x = 75,865.30

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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.