Home / 98,708.34-136,217.06-53,386.38

Finding the Fourth Proportional to 98,708.34, 136,217.06 and 53,386.38

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Solution

The fourth proportional to 98,708.34, 136,217.06 and 53,386.38 is: 73,672.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,708.34 : 136,217.06 = 53,386.38 : x
  2. Step 2: Convert to fraction form
    98,708.34/136,217.06 = 53,386.38/x
  3. Step 3: Cross multiply
    98,708.34x = 136,217.06 × 53,386.38
  4. Step 4: Simplify right side
    98,708.34x = 7,272,135,727.64
  5. Step 5: Solve for x
    x = 7,272,135,727.64/98,708.34
  6. Step 6: Final answer
    x = 73,672.96

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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.