Home / 98,963.07-136,587.33-56,521.60

Finding the Fourth Proportional to 98,963.07, 136,587.33 and 56,521.60

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Solution

The fourth proportional to 98,963.07, 136,587.33 and 56,521.60 is: 78,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,963.07 : 136,587.33 = 56,521.60 : x
  2. Step 2: Convert to fraction form
    98,963.07/136,587.33 = 56,521.60/x
  3. Step 3: Cross multiply
    98,963.07x = 136,587.33 × 56,521.60
  4. Step 4: Simplify right side
    98,963.07x = 7,720,134,431.33
  5. Step 5: Solve for x
    x = 7,720,134,431.33/98,963.07
  6. Step 6: Final answer
    x = 78,010.26

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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.