Home / 98,866.42-136,434.92-53,543.34

Finding the Fourth Proportional to 98,866.42, 136,434.92 and 53,543.34

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Solution

The fourth proportional to 98,866.42, 136,434.92 and 53,543.34 is: 73,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,866.42 : 136,434.92 = 53,543.34 : x
  2. Step 2: Convert to fraction form
    98,866.42/136,434.92 = 53,543.34/x
  3. Step 3: Cross multiply
    98,866.42x = 136,434.92 × 53,543.34
  4. Step 4: Simplify right side
    98,866.42x = 7,305,181,309.43
  5. Step 5: Solve for x
    x = 7,305,181,309.43/98,866.42
  6. Step 6: Final answer
    x = 73,889.41

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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.