Home / 77,313.02-106,690.16-45,483.96

Finding the Fourth Proportional to 77,313.02, 106,690.16 and 45,483.96

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Solution

The fourth proportional to 77,313.02, 106,690.16 and 45,483.96 is: 62,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,313.02 : 106,690.16 = 45,483.96 : x
  2. Step 2: Convert to fraction form
    77,313.02/106,690.16 = 45,483.96/x
  3. Step 3: Cross multiply
    77,313.02x = 106,690.16 × 45,483.96
  4. Step 4: Simplify right side
    77,313.02x = 4,852,690,742.41
  5. Step 5: Solve for x
    x = 4,852,690,742.41/77,313.02
  6. Step 6: Final answer
    x = 62,766.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.