Home / 98,630.65-136,111.76-56,188.27

Finding the Fourth Proportional to 98,630.65, 136,111.76 and 56,188.27

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Solution

The fourth proportional to 98,630.65, 136,111.76 and 56,188.27 is: 77,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,630.65 : 136,111.76 = 56,188.27 : x
  2. Step 2: Convert to fraction form
    98,630.65/136,111.76 = 56,188.27/x
  3. Step 3: Cross multiply
    98,630.65x = 136,111.76 × 56,188.27
  4. Step 4: Simplify right side
    98,630.65x = 7,647,884,321.06
  5. Step 5: Solve for x
    x = 7,647,884,321.06/98,630.65
  6. Step 6: Final answer
    x = 77,540.65

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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.