Home / 124,938.50-187,427.24-40,678.77

Finding the Fourth Proportional to 124,938.50, 187,427.24 and 40,678.77

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Solution

The fourth proportional to 124,938.50, 187,427.24 and 40,678.77 is: 61,024.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,938.50 : 187,427.24 = 40,678.77 : x
  2. Step 2: Convert to fraction form
    124,938.50/187,427.24 = 40,678.77/x
  3. Step 3: Cross multiply
    124,938.50x = 187,427.24 × 40,678.77
  4. Step 4: Simplify right side
    124,938.50x = 7,624,309,384.30
  5. Step 5: Solve for x
    x = 7,624,309,384.30/124,938.50
  6. Step 6: Final answer
    x = 61,024.50

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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.