Home / 98,636.13-136,100.55-58,335.19

Finding the Fourth Proportional to 98,636.13, 136,100.55 and 58,335.19

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Solution

The fourth proportional to 98,636.13, 136,100.55 and 58,335.19 is: 80,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,636.13 : 136,100.55 = 58,335.19 : x
  2. Step 2: Convert to fraction form
    98,636.13/136,100.55 = 58,335.19/x
  3. Step 3: Cross multiply
    98,636.13x = 136,100.55 × 58,335.19
  4. Step 4: Simplify right side
    98,636.13x = 7,939,451,321.86
  5. Step 5: Solve for x
    x = 7,939,451,321.86/98,636.13
  6. Step 6: Final answer
    x = 80,492.32

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1.5x scale

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.