Home / 106,789.28-147,361.98-59,036.18

Finding the Fourth Proportional to 106,789.28, 147,361.98 and 59,036.18

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Solution

The fourth proportional to 106,789.28, 147,361.98 and 59,036.18 is: 81,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,789.28 : 147,361.98 = 59,036.18 : x
  2. Step 2: Convert to fraction form
    106,789.28/147,361.98 = 59,036.18/x
  3. Step 3: Cross multiply
    106,789.28x = 147,361.98 × 59,036.18
  4. Step 4: Simplify right side
    106,789.28x = 8,699,688,376.44
  5. Step 5: Solve for x
    x = 8,699,688,376.44/106,789.28
  6. Step 6: Final answer
    x = 81,465.93

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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.