Home / 55,337.28-76,357.74-31,461.31

Finding the Fourth Proportional to 55,337.28, 76,357.74 and 31,461.31

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Solution

The fourth proportional to 55,337.28, 76,357.74 and 31,461.31 is: 43,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,337.28 : 76,357.74 = 31,461.31 : x
  2. Step 2: Convert to fraction form
    55,337.28/76,357.74 = 31,461.31/x
  3. Step 3: Cross multiply
    55,337.28x = 76,357.74 × 31,461.31
  4. Step 4: Simplify right side
    55,337.28x = 2,402,314,565.50
  5. Step 5: Solve for x
    x = 2,402,314,565.50/55,337.28
  6. Step 6: Final answer
    x = 43,412.23

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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.