Home / 53,140.49-73,334.40-29,267.90

Finding the Fourth Proportional to 53,140.49, 73,334.40 and 29,267.90

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Solution

The fourth proportional to 53,140.49, 73,334.40 and 29,267.90 is: 40,389.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,140.49 : 73,334.40 = 29,267.90 : x
  2. Step 2: Convert to fraction form
    53,140.49/73,334.40 = 29,267.90/x
  3. Step 3: Cross multiply
    53,140.49x = 73,334.40 × 29,267.90
  4. Step 4: Simplify right side
    53,140.49x = 2,146,343,885.76
  5. Step 5: Solve for x
    x = 2,146,343,885.76/53,140.49
  6. Step 6: Final answer
    x = 40,389.99

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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.