Home / 121,738.04-182,617.40-31,792.67

Finding the Fourth Proportional to 121,738.04, 182,617.40 and 31,792.67

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Solution

The fourth proportional to 121,738.04, 182,617.40 and 31,792.67 is: 47,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,738.04 : 182,617.40 = 31,792.67 : x
  2. Step 2: Convert to fraction form
    121,738.04/182,617.40 = 31,792.67/x
  3. Step 3: Cross multiply
    121,738.04x = 182,617.40 × 31,792.67
  4. Step 4: Simplify right side
    121,738.04x = 5,805,894,585.67
  5. Step 5: Solve for x
    x = 5,805,894,585.67/121,738.04
  6. Step 6: Final answer
    x = 47,691.70

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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.