Home / 53,695.80-74,100.29-29,821.86

Finding the Fourth Proportional to 53,695.80, 74,100.29 and 29,821.86

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Solution

The fourth proportional to 53,695.80, 74,100.29 and 29,821.86 is: 41,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,695.80 : 74,100.29 = 29,821.86 : x
  2. Step 2: Convert to fraction form
    53,695.80/74,100.29 = 29,821.86/x
  3. Step 3: Cross multiply
    53,695.80x = 74,100.29 × 29,821.86
  4. Step 4: Simplify right side
    53,695.80x = 2,209,808,325.23
  5. Step 5: Solve for x
    x = 2,209,808,325.23/53,695.80
  6. Step 6: Final answer
    x = 41,154.21

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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.