Home / 98,960.07-136,561.51-58,649.96

Finding the Fourth Proportional to 98,960.07, 136,561.51 and 58,649.96

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Solution

The fourth proportional to 98,960.07, 136,561.51 and 58,649.96 is: 80,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,960.07 : 136,561.51 = 58,649.96 : x
  2. Step 2: Convert to fraction form
    98,960.07/136,561.51 = 58,649.96/x
  3. Step 3: Cross multiply
    98,960.07x = 136,561.51 × 58,649.96
  4. Step 4: Simplify right side
    98,960.07x = 8,009,327,099.04
  5. Step 5: Solve for x
    x = 8,009,327,099.04/98,960.07
  6. Step 6: Final answer
    x = 80,934.94

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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.