Home / 106,961.40-147,607.92-59,215.56

Finding the Fourth Proportional to 106,961.40, 147,607.92 and 59,215.56

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Solution

The fourth proportional to 106,961.40, 147,607.92 and 59,215.56 is: 81,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,961.40 : 147,607.92 = 59,215.56 : x
  2. Step 2: Convert to fraction form
    106,961.40/147,607.92 = 59,215.56/x
  3. Step 3: Cross multiply
    106,961.40x = 147,607.92 × 59,215.56
  4. Step 4: Simplify right side
    106,961.40x = 8,740,685,643.24
  5. Step 5: Solve for x
    x = 8,740,685,643.24/106,961.40
  6. Step 6: Final answer
    x = 81,718.13

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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.