Home / 85,178.16-117,497.06-53,291.70

Finding the Fourth Proportional to 85,178.16, 117,497.06 and 53,291.70

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Solution

The fourth proportional to 85,178.16, 117,497.06 and 53,291.70 is: 73,512.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,178.16 : 117,497.06 = 53,291.70 : x
  2. Step 2: Convert to fraction form
    85,178.16/117,497.06 = 53,291.70/x
  3. Step 3: Cross multiply
    85,178.16x = 117,497.06 × 53,291.70
  4. Step 4: Simplify right side
    85,178.16x = 6,261,618,072.40
  5. Step 5: Solve for x
    x = 6,261,618,072.40/85,178.16
  6. Step 6: Final answer
    x = 73,512.01

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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.