Home / 97,270.88-134,254.70-61,438.12

Finding the Fourth Proportional to 97,270.88, 134,254.70 and 61,438.12

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Solution

The fourth proportional to 97,270.88, 134,254.70 and 61,438.12 is: 84,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,270.88 : 134,254.70 = 61,438.12 : x
  2. Step 2: Convert to fraction form
    97,270.88/134,254.70 = 61,438.12/x
  3. Step 3: Cross multiply
    97,270.88x = 134,254.70 × 61,438.12
  4. Step 4: Simplify right side
    97,270.88x = 8,248,356,369.16
  5. Step 5: Solve for x
    x = 8,248,356,369.16/97,270.88
  6. Step 6: Final answer
    x = 84,797.80

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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.