Home / 89,970.78-124,159.04-49,684.22

Finding the Fourth Proportional to 89,970.78, 124,159.04 and 49,684.22

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Solution

The fourth proportional to 89,970.78, 124,159.04 and 49,684.22 is: 68,563.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,970.78 : 124,159.04 = 49,684.22 : x
  2. Step 2: Convert to fraction form
    89,970.78/124,159.04 = 49,684.22/x
  3. Step 3: Cross multiply
    89,970.78x = 124,159.04 × 49,684.22
  4. Step 4: Simplify right side
    89,970.78x = 6,168,745,058.35
  5. Step 5: Solve for x
    x = 6,168,745,058.35/89,970.78
  6. Step 6: Final answer
    x = 68,563.87

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1.5x scale

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.