Home / 65,587.20-98,232.78-45,953.40

Finding the Fourth Proportional to 65,587.20, 98,232.78 and 45,953.40

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Solution

The fourth proportional to 65,587.20, 98,232.78 and 45,953.40 is: 68,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,587.20 : 98,232.78 = 45,953.40 : x
  2. Step 2: Convert to fraction form
    65,587.20/98,232.78 = 45,953.40/x
  3. Step 3: Cross multiply
    65,587.20x = 98,232.78 × 45,953.40
  4. Step 4: Simplify right side
    65,587.20x = 4,514,130,232.45
  5. Step 5: Solve for x
    x = 4,514,130,232.45/65,587.20
  6. Step 6: Final answer
    x = 68,826.39

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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.