Home / 53,763.23-74,189.05-29,888.45

Finding the Fourth Proportional to 53,763.23, 74,189.05 and 29,888.45

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Solution

The fourth proportional to 53,763.23, 74,189.05 and 29,888.45 is: 41,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,763.23 : 74,189.05 = 29,888.45 : x
  2. Step 2: Convert to fraction form
    53,763.23/74,189.05 = 29,888.45/x
  3. Step 3: Cross multiply
    53,763.23x = 74,189.05 × 29,888.45
  4. Step 4: Simplify right side
    53,763.23x = 2,217,395,711.47
  5. Step 5: Solve for x
    x = 2,217,395,711.47/53,763.23
  6. Step 6: Final answer
    x = 41,243.72

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1.5x scale

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.