Home / 106,785.66-147,363.39-59,041.02

Finding the Fourth Proportional to 106,785.66, 147,363.39 and 59,041.02

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Solution

The fourth proportional to 106,785.66, 147,363.39 and 59,041.02 is: 81,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,785.66 : 147,363.39 = 59,041.02 : x
  2. Step 2: Convert to fraction form
    106,785.66/147,363.39 = 59,041.02/x
  3. Step 3: Cross multiply
    106,785.66x = 147,363.39 × 59,041.02
  4. Step 4: Simplify right side
    106,785.66x = 8,700,484,856.26
  5. Step 5: Solve for x
    x = 8,700,484,856.26/106,785.66
  6. Step 6: Final answer
    x = 81,476.15

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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.