Home / 106,529.72-147,006.72-58,782.45

Finding the Fourth Proportional to 106,529.72, 147,006.72 and 58,782.45

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Solution

The fourth proportional to 106,529.72, 147,006.72 and 58,782.45 is: 81,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,529.72 : 147,006.72 = 58,782.45 : x
  2. Step 2: Convert to fraction form
    106,529.72/147,006.72 = 58,782.45/x
  3. Step 3: Cross multiply
    106,529.72x = 147,006.72 × 58,782.45
  4. Step 4: Simplify right side
    106,529.72x = 8,641,415,168.06
  5. Step 5: Solve for x
    x = 8,641,415,168.06/106,529.72
  6. Step 6: Final answer
    x = 81,117.41

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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.