Home / 125,050.91-187,574.33-30,280.43

Finding the Fourth Proportional to 125,050.91, 187,574.33 and 30,280.43

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Solution

The fourth proportional to 125,050.91, 187,574.33 and 30,280.43 is: 45,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,050.91 : 187,574.33 = 30,280.43 : x
  2. Step 2: Convert to fraction form
    125,050.91/187,574.33 = 30,280.43/x
  3. Step 3: Cross multiply
    125,050.91x = 187,574.33 × 30,280.43
  4. Step 4: Simplify right side
    125,050.91x = 5,679,831,914.00
  5. Step 5: Solve for x
    x = 5,679,831,914.00/125,050.91
  6. Step 6: Final answer
    x = 45,420.16

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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.