Home / 106,786.16-147,364.08-59,041.52

Finding the Fourth Proportional to 106,786.16, 147,364.08 and 59,041.52

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Solution

The fourth proportional to 106,786.16, 147,364.08 and 59,041.52 is: 81,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,786.16 : 147,364.08 = 59,041.52 : x
  2. Step 2: Convert to fraction form
    106,786.16/147,364.08 = 59,041.52/x
  3. Step 3: Cross multiply
    106,786.16x = 147,364.08 × 59,041.52
  4. Step 4: Simplify right side
    106,786.16x = 8,700,599,276.60
  5. Step 5: Solve for x
    x = 8,700,599,276.60/106,786.16
  6. Step 6: Final answer
    x = 81,476.84

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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.