Home / 98,838.37-136,397.20-53,516.90

Finding the Fourth Proportional to 98,838.37, 136,397.20 and 53,516.90

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Solution

The fourth proportional to 98,838.37, 136,397.20 and 53,516.90 is: 73,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,838.37 : 136,397.20 = 53,516.90 : x
  2. Step 2: Convert to fraction form
    98,838.37/136,397.20 = 53,516.90/x
  3. Step 3: Cross multiply
    98,838.37x = 136,397.20 × 53,516.90
  4. Step 4: Simplify right side
    98,838.37x = 7,299,554,630.69
  5. Step 5: Solve for x
    x = 7,299,554,630.69/98,838.37
  6. Step 6: Final answer
    x = 73,853.45

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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.