Home / 106,784.88-147,368.28-59,037.36

Finding the Fourth Proportional to 106,784.88, 147,368.28 and 59,037.36

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Solution

The fourth proportional to 106,784.88, 147,368.28 and 59,037.36 is: 81,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,784.88 : 147,368.28 = 59,037.36 : x
  2. Step 2: Convert to fraction form
    106,784.88/147,368.28 = 59,037.36/x
  3. Step 3: Cross multiply
    106,784.88x = 147,368.28 × 59,037.36
  4. Step 4: Simplify right side
    106,784.88x = 8,700,234,198.94
  5. Step 5: Solve for x
    x = 8,700,234,198.94/106,784.88
  6. Step 6: Final answer
    x = 81,474.40

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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.