Home / 99,064.23-136,672.76-65,091.02

Finding the Fourth Proportional to 99,064.23, 136,672.76 and 65,091.02

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Solution

The fourth proportional to 99,064.23, 136,672.76 and 65,091.02 is: 89,802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,064.23 : 136,672.76 = 65,091.02 : x
  2. Step 2: Convert to fraction form
    99,064.23/136,672.76 = 65,091.02/x
  3. Step 3: Cross multiply
    99,064.23x = 136,672.76 × 65,091.02
  4. Step 4: Simplify right side
    99,064.23x = 8,896,168,345.80
  5. Step 5: Solve for x
    x = 8,896,168,345.80/99,064.23
  6. Step 6: Final answer
    x = 89,802.02

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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.