Home / 55,615.10-76,756.14-31,746.42

Finding the Fourth Proportional to 55,615.10, 76,756.14 and 31,746.42

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Solution

The fourth proportional to 55,615.10, 76,756.14 and 31,746.42 is: 43,814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.10 : 76,756.14 = 31,746.42 : x
  2. Step 2: Convert to fraction form
    55,615.10/76,756.14 = 31,746.42/x
  3. Step 3: Cross multiply
    55,615.10x = 76,756.14 × 31,746.42
  4. Step 4: Simplify right side
    55,615.10x = 2,436,732,658.02
  5. Step 5: Solve for x
    x = 2,436,732,658.02/55,615.10
  6. Step 6: Final answer
    x = 43,814.23

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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.