Home / 98,630.23-136,002.67-62,774.36

Finding the Fourth Proportional to 98,630.23, 136,002.67 and 62,774.36

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Solution

The fourth proportional to 98,630.23, 136,002.67 and 62,774.36 is: 86,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,630.23 : 136,002.67 = 62,774.36 : x
  2. Step 2: Convert to fraction form
    98,630.23/136,002.67 = 62,774.36/x
  3. Step 3: Cross multiply
    98,630.23x = 136,002.67 × 62,774.36
  4. Step 4: Simplify right side
    98,630.23x = 8,537,480,567.54
  5. Step 5: Solve for x
    x = 8,537,480,567.54/98,630.23
  6. Step 6: Final answer
    x = 86,560.49

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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.