Home / 98,584.24-136,030.52-56,143.60

Finding the Fourth Proportional to 98,584.24, 136,030.52 and 56,143.60

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Solution

The fourth proportional to 98,584.24, 136,030.52 and 56,143.60 is: 77,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,584.24 : 136,030.52 = 56,143.60 : x
  2. Step 2: Convert to fraction form
    98,584.24/136,030.52 = 56,143.60/x
  3. Step 3: Cross multiply
    98,584.24x = 136,030.52 × 56,143.60
  4. Step 4: Simplify right side
    98,584.24x = 7,637,243,102.67
  5. Step 5: Solve for x
    x = 7,637,243,102.67/98,584.24
  6. Step 6: Final answer
    x = 77,469.21

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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.