Home / 124,518.47-186,851.81-45,638.24

Finding the Fourth Proportional to 124,518.47, 186,851.81 and 45,638.24

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Solution

The fourth proportional to 124,518.47, 186,851.81 and 45,638.24 is: 68,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518.47 : 186,851.81 = 45,638.24 : x
  2. Step 2: Convert to fraction form
    124,518.47/186,851.81 = 45,638.24/x
  3. Step 3: Cross multiply
    124,518.47x = 186,851.81 × 45,638.24
  4. Step 4: Simplify right side
    124,518.47x = 8,527,586,929.05
  5. Step 5: Solve for x
    x = 8,527,586,929.05/124,518.47
  6. Step 6: Final answer
    x = 68,484.52

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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.