Home / 112,345.46-155,028.93-62,040.50

Finding the Fourth Proportional to 112,345.46, 155,028.93 and 62,040.50

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Solution

The fourth proportional to 112,345.46, 155,028.93 and 62,040.50 is: 85,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,345.46 : 155,028.93 = 62,040.50 : x
  2. Step 2: Convert to fraction form
    112,345.46/155,028.93 = 62,040.50/x
  3. Step 3: Cross multiply
    112,345.46x = 155,028.93 × 62,040.50
  4. Step 4: Simplify right side
    112,345.46x = 9,618,072,331.67
  5. Step 5: Solve for x
    x = 9,618,072,331.67/112,345.46
  6. Step 6: Final answer
    x = 85,611.58

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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.