Home / 77,583.64-116,410.02-40,639

Finding the Fourth Proportional to 77,583.64, 116,410.02 and 40,639

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Solution

The fourth proportional to 77,583.64, 116,410.02 and 40,639 is: 60,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,583.64 : 116,410.02 = 40,639 : x
  2. Step 2: Convert to fraction form
    77,583.64/116,410.02 = 40,639/x
  3. Step 3: Cross multiply
    77,583.64x = 116,410.02 × 40,639
  4. Step 4: Simplify right side
    77,583.64x = 4,730,786,802.78
  5. Step 5: Solve for x
    x = 4,730,786,802.78/77,583.64
  6. Step 6: Final answer
    x = 60,976.60

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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.