Home / 117,021.90-175,551.06-38,117.76

Finding the Fourth Proportional to 117,021.90, 175,551.06 and 38,117.76

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Solution

The fourth proportional to 117,021.90, 175,551.06 and 38,117.76 is: 57,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,021.90 : 175,551.06 = 38,117.76 : x
  2. Step 2: Convert to fraction form
    117,021.90/175,551.06 = 38,117.76/x
  3. Step 3: Cross multiply
    117,021.90x = 175,551.06 × 38,117.76
  4. Step 4: Simplify right side
    117,021.90x = 6,691,613,172.83
  5. Step 5: Solve for x
    x = 6,691,613,172.83/117,021.90
  6. Step 6: Final answer
    x = 57,182.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.