Home / 49,710.08-74,955.52-45,577.60

Finding the Fourth Proportional to 49,710.08, 74,955.52 and 45,577.60

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Solution

The fourth proportional to 49,710.08, 74,955.52 and 45,577.60 is: 68,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,710.08 : 74,955.52 = 45,577.60 : x
  2. Step 2: Convert to fraction form
    49,710.08/74,955.52 = 45,577.60/x
  3. Step 3: Cross multiply
    49,710.08x = 74,955.52 × 45,577.60
  4. Step 4: Simplify right side
    49,710.08x = 3,416,292,708.35
  5. Step 5: Solve for x
    x = 3,416,292,708.35/49,710.08
  6. Step 6: Final answer
    x = 68,724.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.