Home / 64,713.40-97,070.10-61,890.55

Finding the Fourth Proportional to 64,713.40, 97,070.10 and 61,890.55

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Solution

The fourth proportional to 64,713.40, 97,070.10 and 61,890.55 is: 92,835.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,713.40 : 97,070.10 = 61,890.55 : x
  2. Step 2: Convert to fraction form
    64,713.40/97,070.10 = 61,890.55/x
  3. Step 3: Cross multiply
    64,713.40x = 97,070.10 × 61,890.55
  4. Step 4: Simplify right side
    64,713.40x = 6,007,721,877.56
  5. Step 5: Solve for x
    x = 6,007,721,877.56/64,713.40
  6. Step 6: Final answer
    x = 92,835.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.