Home / 118,085.56-162,953.26-64,369.40

Finding the Fourth Proportional to 118,085.56, 162,953.26 and 64,369.40

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Solution

The fourth proportional to 118,085.56, 162,953.26 and 64,369.40 is: 88,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,085.56 : 162,953.26 = 64,369.40 : x
  2. Step 2: Convert to fraction form
    118,085.56/162,953.26 = 64,369.40/x
  3. Step 3: Cross multiply
    118,085.56x = 162,953.26 × 64,369.40
  4. Step 4: Simplify right side
    118,085.56x = 10,489,203,574.24
  5. Step 5: Solve for x
    x = 10,489,203,574.24/118,085.56
  6. Step 6: Final answer
    x = 88,827.15

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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.