Home / 97,186.79-134,120.51-56,902.25

Finding the Fourth Proportional to 97,186.79, 134,120.51 and 56,902.25

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Solution

The fourth proportional to 97,186.79, 134,120.51 and 56,902.25 is: 78,526.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,186.79 : 134,120.51 = 56,902.25 : x
  2. Step 2: Convert to fraction form
    97,186.79/134,120.51 = 56,902.25/x
  3. Step 3: Cross multiply
    97,186.79x = 134,120.51 × 56,902.25
  4. Step 4: Simplify right side
    97,186.79x = 7,631,758,299.89
  5. Step 5: Solve for x
    x = 7,631,758,299.89/97,186.79
  6. Step 6: Final answer
    x = 78,526.71

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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.