Home / 98,683.02-136,174.33-58,389.77

Finding the Fourth Proportional to 98,683.02, 136,174.33 and 58,389.77

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Solution

The fourth proportional to 98,683.02, 136,174.33 and 58,389.77 is: 80,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,683.02 : 136,174.33 = 58,389.77 : x
  2. Step 2: Convert to fraction form
    98,683.02/136,174.33 = 58,389.77/x
  3. Step 3: Cross multiply
    98,683.02x = 136,174.33 × 58,389.77
  4. Step 4: Simplify right side
    98,683.02x = 7,951,187,808.60
  5. Step 5: Solve for x
    x = 7,951,187,808.60/98,683.02
  6. Step 6: Final answer
    x = 80,573.01

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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.