Home / 109,619.02-164,479.28-59,639.58

Finding the Fourth Proportional to 109,619.02, 164,479.28 and 59,639.58

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Solution

The fourth proportional to 109,619.02, 164,479.28 and 59,639.58 is: 89,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,619.02 : 164,479.28 = 59,639.58 : x
  2. Step 2: Convert to fraction form
    109,619.02/164,479.28 = 59,639.58/x
  3. Step 3: Cross multiply
    109,619.02x = 164,479.28 × 59,639.58
  4. Step 4: Simplify right side
    109,619.02x = 9,809,475,177.90
  5. Step 5: Solve for x
    x = 9,809,475,177.90/109,619.02
  6. Step 6: Final answer
    x = 89,486.98

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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.