Home / 53,758.72-74,178.88-29,885.60

Finding the Fourth Proportional to 53,758.72, 74,178.88 and 29,885.60

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Solution

The fourth proportional to 53,758.72, 74,178.88 and 29,885.60 is: 41,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,758.72 : 74,178.88 = 29,885.60 : x
  2. Step 2: Convert to fraction form
    53,758.72/74,178.88 = 29,885.60/x
  3. Step 3: Cross multiply
    53,758.72x = 74,178.88 × 29,885.60
  4. Step 4: Simplify right side
    53,758.72x = 2,216,880,336.13
  5. Step 5: Solve for x
    x = 2,216,880,336.13/53,758.72
  6. Step 6: Final answer
    x = 41,237.60

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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.