Home / 53,859.03-74,314.20-31,196.67

Finding the Fourth Proportional to 53,859.03, 74,314.20 and 31,196.67

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Solution

The fourth proportional to 53,859.03, 74,314.20 and 31,196.67 is: 43,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.03 : 74,314.20 = 31,196.67 : x
  2. Step 2: Convert to fraction form
    53,859.03/74,314.20 = 31,196.67/x
  3. Step 3: Cross multiply
    53,859.03x = 74,314.20 × 31,196.67
  4. Step 4: Simplify right side
    53,859.03x = 2,318,355,573.71
  5. Step 5: Solve for x
    x = 2,318,355,573.71/53,859.03
  6. Step 6: Final answer
    x = 43,044.88

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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.