Home / 55,770.15-76,977.01-31,904.31

Finding the Fourth Proportional to 55,770.15, 76,977.01 and 31,904.31

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Solution

The fourth proportional to 55,770.15, 76,977.01 and 31,904.31 is: 44,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.15 : 76,977.01 = 31,904.31 : x
  2. Step 2: Convert to fraction form
    55,770.15/76,977.01 = 31,904.31/x
  3. Step 3: Cross multiply
    55,770.15x = 76,977.01 × 31,904.31
  4. Step 4: Simplify right side
    55,770.15x = 2,455,898,389.91
  5. Step 5: Solve for x
    x = 2,455,898,389.91/55,770.15
  6. Step 6: Final answer
    x = 44,036.07

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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.