Home / 53,688.26-74,093.01-31,031.30

Finding the Fourth Proportional to 53,688.26, 74,093.01 and 31,031.30

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Solution

The fourth proportional to 53,688.26, 74,093.01 and 31,031.30 is: 42,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,688.26 : 74,093.01 = 31,031.30 : x
  2. Step 2: Convert to fraction form
    53,688.26/74,093.01 = 31,031.30/x
  3. Step 3: Cross multiply
    53,688.26x = 74,093.01 × 31,031.30
  4. Step 4: Simplify right side
    53,688.26x = 2,299,202,421.21
  5. Step 5: Solve for x
    x = 2,299,202,421.21/53,688.26
  6. Step 6: Final answer
    x = 42,825.05

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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.