Home / 53,790.33-74,225.46-31,124.81

Finding the Fourth Proportional to 53,790.33, 74,225.46 and 31,124.81

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Solution

The fourth proportional to 53,790.33, 74,225.46 and 31,124.81 is: 42,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,790.33 : 74,225.46 = 31,124.81 : x
  2. Step 2: Convert to fraction form
    53,790.33/74,225.46 = 31,124.81/x
  3. Step 3: Cross multiply
    53,790.33x = 74,225.46 × 31,124.81
  4. Step 4: Simplify right side
    53,790.33x = 2,310,252,812.91
  5. Step 5: Solve for x
    x = 2,310,252,812.91/53,790.33
  6. Step 6: Final answer
    x = 42,949.23

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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.