Home / 105,427.93-145,494.17-57,681.27

Finding the Fourth Proportional to 105,427.93, 145,494.17 and 57,681.27

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Solution

The fourth proportional to 105,427.93, 145,494.17 and 57,681.27 is: 79,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,427.93 : 145,494.17 = 57,681.27 : x
  2. Step 2: Convert to fraction form
    105,427.93/145,494.17 = 57,681.27/x
  3. Step 3: Cross multiply
    105,427.93x = 145,494.17 × 57,681.27
  4. Step 4: Simplify right side
    105,427.93x = 8,392,289,002.53
  5. Step 5: Solve for x
    x = 8,392,289,002.53/105,427.93
  6. Step 6: Final answer
    x = 79,602.14

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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.