Home / 53,822.07-74,295.12-40,432.16

Finding the Fourth Proportional to 53,822.07, 74,295.12 and 40,432.16

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Solution

The fourth proportional to 53,822.07, 74,295.12 and 40,432.16 is: 55,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,822.07 : 74,295.12 = 40,432.16 : x
  2. Step 2: Convert to fraction form
    53,822.07/74,295.12 = 40,432.16/x
  3. Step 3: Cross multiply
    53,822.07x = 74,295.12 × 40,432.16
  4. Step 4: Simplify right side
    53,822.07x = 3,003,912,516.42
  5. Step 5: Solve for x
    x = 3,003,912,516.42/53,822.07
  6. Step 6: Final answer
    x = 55,811.91

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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.