Home / 98,658.18-136,148.12-53,336.20

Finding the Fourth Proportional to 98,658.18, 136,148.12 and 53,336.20

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Solution

The fourth proportional to 98,658.18, 136,148.12 and 53,336.20 is: 73,603.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,658.18 : 136,148.12 = 53,336.20 : x
  2. Step 2: Convert to fraction form
    98,658.18/136,148.12 = 53,336.20/x
  3. Step 3: Cross multiply
    98,658.18x = 136,148.12 × 53,336.20
  4. Step 4: Simplify right side
    98,658.18x = 7,261,623,357.94
  5. Step 5: Solve for x
    x = 7,261,623,357.94/98,658.18
  6. Step 6: Final answer
    x = 73,603.86

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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.