Home / 106,890.76-147,509.67-58,494.07

Finding the Fourth Proportional to 106,890.76, 147,509.67 and 58,494.07

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Solution

The fourth proportional to 106,890.76, 147,509.67 and 58,494.07 is: 80,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,890.76 : 147,509.67 = 58,494.07 : x
  2. Step 2: Convert to fraction form
    106,890.76/147,509.67 = 58,494.07/x
  3. Step 3: Cross multiply
    106,890.76x = 147,509.67 × 58,494.07
  4. Step 4: Simplify right side
    106,890.76x = 8,628,440,962.66
  5. Step 5: Solve for x
    x = 8,628,440,962.66/106,890.76
  6. Step 6: Final answer
    x = 80,722.05

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1.5x scale

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.