Home / 118,079.17-177,157.64-47,939.65

Finding the Fourth Proportional to 118,079.17, 177,157.64 and 47,939.65

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Solution

The fourth proportional to 118,079.17, 177,157.64 and 47,939.65 is: 71,925.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,079.17 : 177,157.64 = 47,939.65 : x
  2. Step 2: Convert to fraction form
    118,079.17/177,157.64 = 47,939.65/x
  3. Step 3: Cross multiply
    118,079.17x = 177,157.64 × 47,939.65
  4. Step 4: Simplify right side
    118,079.17x = 8,492,875,256.43
  5. Step 5: Solve for x
    x = 8,492,875,256.43/118,079.17
  6. Step 6: Final answer
    x = 71,925.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.