Home / 85,349.10-127,871.73-52,051.98

Finding the Fourth Proportional to 85,349.10, 127,871.73 and 52,051.98

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Solution

The fourth proportional to 85,349.10, 127,871.73 and 52,051.98 is: 77,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,349.10 : 127,871.73 = 52,051.98 : x
  2. Step 2: Convert to fraction form
    85,349.10/127,871.73 = 52,051.98/x
  3. Step 3: Cross multiply
    85,349.10x = 127,871.73 × 52,051.98
  4. Step 4: Simplify right side
    85,349.10x = 6,655,976,732.53
  5. Step 5: Solve for x
    x = 6,655,976,732.53/85,349.10
  6. Step 6: Final answer
    x = 77,985.32

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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.