Home / 125,093.72-187,660.02-42,007.16

Finding the Fourth Proportional to 125,093.72, 187,660.02 and 42,007.16

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Solution

The fourth proportional to 125,093.72, 187,660.02 and 42,007.16 is: 63,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,093.72 : 187,660.02 = 42,007.16 : x
  2. Step 2: Convert to fraction form
    125,093.72/187,660.02 = 42,007.16/x
  3. Step 3: Cross multiply
    125,093.72x = 187,660.02 × 42,007.16
  4. Step 4: Simplify right side
    125,093.72x = 7,883,064,172.40
  5. Step 5: Solve for x
    x = 7,883,064,172.40/125,093.72
  6. Step 6: Final answer
    x = 63,017.27

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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.