Home / 109,618.02-164,477.78-59,638.58

Finding the Fourth Proportional to 109,618.02, 164,477.78 and 59,638.58

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Solution

The fourth proportional to 109,618.02, 164,477.78 and 59,638.58 is: 89,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,618.02 : 164,477.78 = 59,638.58 : x
  2. Step 2: Convert to fraction form
    109,618.02/164,477.78 = 59,638.58/x
  3. Step 3: Cross multiply
    109,618.02x = 164,477.78 × 59,638.58
  4. Step 4: Simplify right side
    109,618.02x = 9,809,220,876.74
  5. Step 5: Solve for x
    x = 9,809,220,876.74/109,618.02
  6. Step 6: Final answer
    x = 89,485.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.