Home / 124,875.68-187,315.28-40,636.28

Finding the Fourth Proportional to 124,875.68, 187,315.28 and 40,636.28

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Solution

The fourth proportional to 124,875.68, 187,315.28 and 40,636.28 is: 60,955.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,875.68 : 187,315.28 = 40,636.28 : x
  2. Step 2: Convert to fraction form
    124,875.68/187,315.28 = 40,636.28/x
  3. Step 3: Cross multiply
    124,875.68x = 187,315.28 × 40,636.28
  4. Step 4: Simplify right side
    124,875.68x = 7,611,796,812.43
  5. Step 5: Solve for x
    x = 7,611,796,812.43/124,875.68
  6. Step 6: Final answer
    x = 60,955.00

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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.