Home / 53,345.11-80,021.75-15,902.32

Finding the Fourth Proportional to 53,345.11, 80,021.75 and 15,902.32

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Solution

The fourth proportional to 53,345.11, 80,021.75 and 15,902.32 is: 23,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,345.11 : 80,021.75 = 15,902.32 : x
  2. Step 2: Convert to fraction form
    53,345.11/80,021.75 = 15,902.32/x
  3. Step 3: Cross multiply
    53,345.11x = 80,021.75 × 15,902.32
  4. Step 4: Simplify right side
    53,345.11x = 1,272,531,475.46
  5. Step 5: Solve for x
    x = 1,272,531,475.46/53,345.11
  6. Step 6: Final answer
    x = 23,854.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.