Home / 53,812.64-74,260.29-31,152.59

Finding the Fourth Proportional to 53,812.64, 74,260.29 and 31,152.59

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Solution

The fourth proportional to 53,812.64, 74,260.29 and 31,152.59 is: 42,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,812.64 : 74,260.29 = 31,152.59 : x
  2. Step 2: Convert to fraction form
    53,812.64/74,260.29 = 31,152.59/x
  3. Step 3: Cross multiply
    53,812.64x = 74,260.29 × 31,152.59
  4. Step 4: Simplify right side
    53,812.64x = 2,313,399,996.35
  5. Step 5: Solve for x
    x = 2,313,399,996.35/53,812.64
  6. Step 6: Final answer
    x = 42,989.90

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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.