Home / 97,747.56-134,885.70-55,319.40

Finding the Fourth Proportional to 97,747.56, 134,885.70 and 55,319.40

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Solution

The fourth proportional to 97,747.56, 134,885.70 and 55,319.40 is: 76,337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,747.56 : 134,885.70 = 55,319.40 : x
  2. Step 2: Convert to fraction form
    97,747.56/134,885.70 = 55,319.40/x
  3. Step 3: Cross multiply
    97,747.56x = 134,885.70 × 55,319.40
  4. Step 4: Simplify right side
    97,747.56x = 7,461,795,992.58
  5. Step 5: Solve for x
    x = 7,461,795,992.58/97,747.56
  6. Step 6: Final answer
    x = 76,337.41

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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.