Home / 124,875.40-187,313.10-45,973.30

Finding the Fourth Proportional to 124,875.40, 187,313.10 and 45,973.30

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Solution

The fourth proportional to 124,875.40, 187,313.10 and 45,973.30 is: 68,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,875.40 : 187,313.10 = 45,973.30 : x
  2. Step 2: Convert to fraction form
    124,875.40/187,313.10 = 45,973.30/x
  3. Step 3: Cross multiply
    124,875.40x = 187,313.10 × 45,973.30
  4. Step 4: Simplify right side
    124,875.40x = 8,611,401,340.23
  5. Step 5: Solve for x
    x = 8,611,401,340.23/124,875.40
  6. Step 6: Final answer
    x = 68,959.95

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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.