Home / 97,146.90-134,065.32-54,706.92

Finding the Fourth Proportional to 97,146.90, 134,065.32 and 54,706.92

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Solution

The fourth proportional to 97,146.90, 134,065.32 and 54,706.92 is: 75,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,146.90 : 134,065.32 = 54,706.92 : x
  2. Step 2: Convert to fraction form
    97,146.90/134,065.32 = 54,706.92/x
  3. Step 3: Cross multiply
    97,146.90x = 134,065.32 × 54,706.92
  4. Step 4: Simplify right side
    97,146.90x = 7,334,300,736.01
  5. Step 5: Solve for x
    x = 7,334,300,736.01/97,146.90
  6. Step 6: Final answer
    x = 75,497.01

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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.