Home / 99,071.49-136,733.66-63,285.33

Finding the Fourth Proportional to 99,071.49, 136,733.66 and 63,285.33

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Solution

The fourth proportional to 99,071.49, 136,733.66 and 63,285.33 is: 87,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,071.49 : 136,733.66 = 63,285.33 : x
  2. Step 2: Convert to fraction form
    99,071.49/136,733.66 = 63,285.33/x
  3. Step 3: Cross multiply
    99,071.49x = 136,733.66 × 63,285.33
  4. Step 4: Simplify right side
    99,071.49x = 8,653,234,795.21
  5. Step 5: Solve for x
    x = 8,653,234,795.21/99,071.49
  6. Step 6: Final answer
    x = 87,343.34

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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.