Home / 55,215.14-76,120.36-37,281.74

Finding the Fourth Proportional to 55,215.14, 76,120.36 and 37,281.74

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Solution

The fourth proportional to 55,215.14, 76,120.36 and 37,281.74 is: 51,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,215.14 : 76,120.36 = 37,281.74 : x
  2. Step 2: Convert to fraction form
    55,215.14/76,120.36 = 37,281.74/x
  3. Step 3: Cross multiply
    55,215.14x = 76,120.36 × 37,281.74
  4. Step 4: Simplify right side
    55,215.14x = 2,837,898,996.42
  5. Step 5: Solve for x
    x = 2,837,898,996.42/55,215.14
  6. Step 6: Final answer
    x = 51,397.12

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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.