Home / 53,683.29-74,085.30-29,809.98

Finding the Fourth Proportional to 53,683.29, 74,085.30 and 29,809.98

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Solution

The fourth proportional to 53,683.29, 74,085.30 and 29,809.98 is: 41,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,683.29 : 74,085.30 = 29,809.98 : x
  2. Step 2: Convert to fraction form
    53,683.29/74,085.30 = 29,809.98/x
  3. Step 3: Cross multiply
    53,683.29x = 74,085.30 × 29,809.98
  4. Step 4: Simplify right side
    53,683.29x = 2,208,481,311.29
  5. Step 5: Solve for x
    x = 2,208,481,311.29/53,683.29
  6. Step 6: Final answer
    x = 41,139.08

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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.