Home / 53,389.76-73,678.10-29,191.23

Finding the Fourth Proportional to 53,389.76, 73,678.10 and 29,191.23

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Solution

The fourth proportional to 53,389.76, 73,678.10 and 29,191.23 is: 40,284.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,389.76 : 73,678.10 = 29,191.23 : x
  2. Step 2: Convert to fraction form
    53,389.76/73,678.10 = 29,191.23/x
  3. Step 3: Cross multiply
    53,389.76x = 73,678.10 × 29,191.23
  4. Step 4: Simplify right side
    53,389.76x = 2,150,754,217.11
  5. Step 5: Solve for x
    x = 2,150,754,217.11/53,389.76
  6. Step 6: Final answer
    x = 40,284.02

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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.