Home / 49,941.60-74,998.80-48,386.40

Finding the Fourth Proportional to 49,941.60, 74,998.80 and 48,386.40

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Solution

The fourth proportional to 49,941.60, 74,998.80 and 48,386.40 is: 72,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,941.60 : 74,998.80 = 48,386.40 : x
  2. Step 2: Convert to fraction form
    49,941.60/74,998.80 = 48,386.40/x
  3. Step 3: Cross multiply
    49,941.60x = 74,998.80 × 48,386.40
  4. Step 4: Simplify right side
    49,941.60x = 3,628,921,936.32
  5. Step 5: Solve for x
    x = 3,628,921,936.32/49,941.60
  6. Step 6: Final answer
    x = 72,663.31

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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.