Home / 124,398.17-171,669.48-67,809.55

Finding the Fourth Proportional to 124,398.17, 171,669.48 and 67,809.55

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Solution

The fourth proportional to 124,398.17, 171,669.48 and 67,809.55 is: 93,577.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,398.17 : 171,669.48 = 67,809.55 : x
  2. Step 2: Convert to fraction form
    124,398.17/171,669.48 = 67,809.55/x
  3. Step 3: Cross multiply
    124,398.17x = 171,669.48 × 67,809.55
  4. Step 4: Simplify right side
    124,398.17x = 11,640,829,329.19
  5. Step 5: Solve for x
    x = 11,640,829,329.19/124,398.17
  6. Step 6: Final answer
    x = 93,577.18

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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.