Home / 55,703.91-76,870.35-31,504.46

Finding the Fourth Proportional to 55,703.91, 76,870.35 and 31,504.46

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Solution

The fourth proportional to 55,703.91, 76,870.35 and 31,504.46 is: 43,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,703.91 : 76,870.35 = 31,504.46 : x
  2. Step 2: Convert to fraction form
    55,703.91/76,870.35 = 31,504.46/x
  3. Step 3: Cross multiply
    55,703.91x = 76,870.35 × 31,504.46
  4. Step 4: Simplify right side
    55,703.91x = 2,421,758,482.41
  5. Step 5: Solve for x
    x = 2,421,758,482.41/55,703.91
  6. Step 6: Final answer
    x = 43,475.56

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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.