Home / 105,344.41-145,374.29-57,597.25

Finding the Fourth Proportional to 105,344.41, 145,374.29 and 57,597.25

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Solution

The fourth proportional to 105,344.41, 145,374.29 and 57,597.25 is: 79,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,344.41 : 145,374.29 = 57,597.25 : x
  2. Step 2: Convert to fraction form
    105,344.41/145,374.29 = 57,597.25/x
  3. Step 3: Cross multiply
    105,344.41x = 145,374.29 × 57,597.25
  4. Step 4: Simplify right side
    105,344.41x = 8,373,158,889.27
  5. Step 5: Solve for x
    x = 8,373,158,889.27/105,344.41
  6. Step 6: Final answer
    x = 79,483.66

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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.