Home / 106,771.72-147,332.18-59,018.58

Finding the Fourth Proportional to 106,771.72, 147,332.18 and 59,018.58

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Solution

The fourth proportional to 106,771.72, 147,332.18 and 59,018.58 is: 81,438.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,771.72 : 147,332.18 = 59,018.58 : x
  2. Step 2: Convert to fraction form
    106,771.72/147,332.18 = 59,018.58/x
  3. Step 3: Cross multiply
    106,771.72x = 147,332.18 × 59,018.58
  4. Step 4: Simplify right side
    106,771.72x = 8,695,335,315.24
  5. Step 5: Solve for x
    x = 8,695,335,315.24/106,771.72
  6. Step 6: Final answer
    x = 81,438.56

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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.