Home / 71,973.48-99,248.04-61,935.96

Finding the Fourth Proportional to 71,973.48, 99,248.04 and 61,935.96

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Solution

The fourth proportional to 71,973.48, 99,248.04 and 61,935.96 is: 85,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,973.48 : 99,248.04 = 61,935.96 : x
  2. Step 2: Convert to fraction form
    71,973.48/99,248.04 = 61,935.96/x
  3. Step 3: Cross multiply
    71,973.48x = 99,248.04 × 61,935.96
  4. Step 4: Simplify right side
    71,973.48x = 6,147,022,635.52
  5. Step 5: Solve for x
    x = 6,147,022,635.52/71,973.48
  6. Step 6: Final answer
    x = 85,406.77

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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.