Home / 105,039.48-157,464.90-41,903.40

Finding the Fourth Proportional to 105,039.48, 157,464.90 and 41,903.40

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Solution

The fourth proportional to 105,039.48, 157,464.90 and 41,903.40 is: 62,817.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,039.48 : 157,464.90 = 41,903.40 : x
  2. Step 2: Convert to fraction form
    105,039.48/157,464.90 = 41,903.40/x
  3. Step 3: Cross multiply
    105,039.48x = 157,464.90 × 41,903.40
  4. Step 4: Simplify right side
    105,039.48x = 6,598,314,690.66
  5. Step 5: Solve for x
    x = 6,598,314,690.66/105,039.48
  6. Step 6: Final answer
    x = 62,817.47

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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.