Home / 105,488.44-145,573.94-57,741.36

Finding the Fourth Proportional to 105,488.44, 145,573.94 and 57,741.36

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Solution

The fourth proportional to 105,488.44, 145,573.94 and 57,741.36 is: 79,683.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,488.44 : 145,573.94 = 57,741.36 : x
  2. Step 2: Convert to fraction form
    105,488.44/145,573.94 = 57,741.36/x
  3. Step 3: Cross multiply
    105,488.44x = 145,573.94 × 57,741.36
  4. Step 4: Simplify right side
    105,488.44x = 8,405,637,276.16
  5. Step 5: Solve for x
    x = 8,405,637,276.16/105,488.44
  6. Step 6: Final answer
    x = 79,683.02

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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.