Home / 97,915.26-135,123.86-53,203.26

Finding the Fourth Proportional to 97,915.26, 135,123.86 and 53,203.26

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Solution

The fourth proportional to 97,915.26, 135,123.86 and 53,203.26 is: 73,420.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,915.26 : 135,123.86 = 53,203.26 : x
  2. Step 2: Convert to fraction form
    97,915.26/135,123.86 = 53,203.26/x
  3. Step 3: Cross multiply
    97,915.26x = 135,123.86 × 53,203.26
  4. Step 4: Simplify right side
    97,915.26x = 7,189,029,855.78
  5. Step 5: Solve for x
    x = 7,189,029,855.78/97,915.26
  6. Step 6: Final answer
    x = 73,420.93

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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.