Home / 97,768.86-134,904.60-56,941.62

Finding the Fourth Proportional to 97,768.86, 134,904.60 and 56,941.62

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Solution

The fourth proportional to 97,768.86, 134,904.60 and 56,941.62 is: 78,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,768.86 : 134,904.60 = 56,941.62 : x
  2. Step 2: Convert to fraction form
    97,768.86/134,904.60 = 56,941.62/x
  3. Step 3: Cross multiply
    97,768.86x = 134,904.60 × 56,941.62
  4. Step 4: Simplify right side
    97,768.86x = 7,681,686,469.45
  5. Step 5: Solve for x
    x = 7,681,686,469.45/97,768.86
  6. Step 6: Final answer
    x = 78,569.87

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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.