Home / 118,516.89-163,568.36-67,547.95

Finding the Fourth Proportional to 118,516.89, 163,568.36 and 67,547.95

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Solution

The fourth proportional to 118,516.89, 163,568.36 and 67,547.95 is: 93,224.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,516.89 : 163,568.36 = 67,547.95 : x
  2. Step 2: Convert to fraction form
    118,516.89/163,568.36 = 67,547.95/x
  3. Step 3: Cross multiply
    118,516.89x = 163,568.36 × 67,547.95
  4. Step 4: Simplify right side
    118,516.89x = 11,048,707,402.86
  5. Step 5: Solve for x
    x = 11,048,707,402.86/118,516.89
  6. Step 6: Final answer
    x = 93,224.75

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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.