Home / 55,271.35-76,264.96-31,068.96

Finding the Fourth Proportional to 55,271.35, 76,264.96 and 31,068.96

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Solution

The fourth proportional to 55,271.35, 76,264.96 and 31,068.96 is: 42,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271.35 : 76,264.96 = 31,068.96 : x
  2. Step 2: Convert to fraction form
    55,271.35/76,264.96 = 31,068.96/x
  3. Step 3: Cross multiply
    55,271.35x = 76,264.96 × 31,068.96
  4. Step 4: Simplify right side
    55,271.35x = 2,369,472,991.64
  5. Step 5: Solve for x
    x = 2,369,472,991.64/55,271.35
  6. Step 6: Final answer
    x = 42,869.82

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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.