Home / 122,258.92-168,725.42-68,547.40

Finding the Fourth Proportional to 122,258.92, 168,725.42 and 68,547.40

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Solution

The fourth proportional to 122,258.92, 168,725.42 and 68,547.40 is: 94,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,258.92 : 168,725.42 = 68,547.40 : x
  2. Step 2: Convert to fraction form
    122,258.92/168,725.42 = 68,547.40/x
  3. Step 3: Cross multiply
    122,258.92x = 168,725.42 × 68,547.40
  4. Step 4: Simplify right side
    122,258.92x = 11,565,688,854.91
  5. Step 5: Solve for x
    x = 11,565,688,854.91/122,258.92
  6. Step 6: Final answer
    x = 94,599.96

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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.