Home / 103,167.48-142,433.22-67,417.32

Finding the Fourth Proportional to 103,167.48, 142,433.22 and 67,417.32

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Solution

The fourth proportional to 103,167.48, 142,433.22 and 67,417.32 is: 93,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,167.48 : 142,433.22 = 67,417.32 : x
  2. Step 2: Convert to fraction form
    103,167.48/142,433.22 = 67,417.32/x
  3. Step 3: Cross multiply
    103,167.48x = 142,433.22 × 67,417.32
  4. Step 4: Simplify right side
    103,167.48x = 9,602,465,971.37
  5. Step 5: Solve for x
    x = 9,602,465,971.37/103,167.48
  6. Step 6: Final answer
    x = 93,076.48

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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.