Home / 53,736.11-74,149.94-31,071.67

Finding the Fourth Proportional to 53,736.11, 74,149.94 and 31,071.67

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Solution

The fourth proportional to 53,736.11, 74,149.94 and 31,071.67 is: 42,875.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,736.11 : 74,149.94 = 31,071.67 : x
  2. Step 2: Convert to fraction form
    53,736.11/74,149.94 = 31,071.67/x
  3. Step 3: Cross multiply
    53,736.11x = 74,149.94 × 31,071.67
  4. Step 4: Simplify right side
    53,736.11x = 2,303,962,466.20
  5. Step 5: Solve for x
    x = 2,303,962,466.20/53,736.11
  6. Step 6: Final answer
    x = 42,875.50

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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.