Home / 124,905.18-187,431.57-46,074.77

Finding the Fourth Proportional to 124,905.18, 187,431.57 and 46,074.77

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Solution

The fourth proportional to 124,905.18, 187,431.57 and 46,074.77 is: 69,139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,905.18 : 187,431.57 = 46,074.77 : x
  2. Step 2: Convert to fraction form
    124,905.18/187,431.57 = 46,074.77/x
  3. Step 3: Cross multiply
    124,905.18x = 187,431.57 × 46,074.77
  4. Step 4: Simplify right side
    124,905.18x = 8,635,866,478.49
  5. Step 5: Solve for x
    x = 8,635,866,478.49/124,905.18
  6. Step 6: Final answer
    x = 69,139.38

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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.