Home / 97,926.72-135,138.24-53,214.72

Finding the Fourth Proportional to 97,926.72, 135,138.24 and 53,214.72

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Solution

The fourth proportional to 97,926.72, 135,138.24 and 53,214.72 is: 73,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,926.72 : 135,138.24 = 53,214.72 : x
  2. Step 2: Convert to fraction form
    97,926.72/135,138.24 = 53,214.72/x
  3. Step 3: Cross multiply
    97,926.72x = 135,138.24 × 53,214.72
  4. Step 4: Simplify right side
    97,926.72x = 7,191,343,602.89
  5. Step 5: Solve for x
    x = 7,191,343,602.89/97,926.72
  6. Step 6: Final answer
    x = 73,435.97

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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.