Home / 97,307.20-134,168.88-68,631.58

Finding the Fourth Proportional to 97,307.20, 134,168.88 and 68,631.58

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Solution

The fourth proportional to 97,307.20, 134,168.88 and 68,631.58 is: 94,630.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,307.20 : 134,168.88 = 68,631.58 : x
  2. Step 2: Convert to fraction form
    97,307.20/134,168.88 = 68,631.58/x
  3. Step 3: Cross multiply
    97,307.20x = 134,168.88 × 68,631.58
  4. Step 4: Simplify right side
    97,307.20x = 9,208,221,550.39
  5. Step 5: Solve for x
    x = 9,208,221,550.39/97,307.20
  6. Step 6: Final answer
    x = 94,630.43

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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.