Home / 53,792.08-74,227.87-31,126.55

Finding the Fourth Proportional to 53,792.08, 74,227.87 and 31,126.55

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Solution

The fourth proportional to 53,792.08, 74,227.87 and 31,126.55 is: 42,951.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,792.08 : 74,227.87 = 31,126.55 : x
  2. Step 2: Convert to fraction form
    53,792.08/74,227.87 = 31,126.55/x
  3. Step 3: Cross multiply
    53,792.08x = 74,227.87 × 31,126.55
  4. Step 4: Simplify right side
    53,792.08x = 2,310,457,506.95
  5. Step 5: Solve for x
    x = 2,310,457,506.95/53,792.08
  6. Step 6: Final answer
    x = 42,951.63

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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.