Home / 107,123.70-147,828.30-59,376.62

Finding the Fourth Proportional to 107,123.70, 147,828.30 and 59,376.62

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Solution

The fourth proportional to 107,123.70, 147,828.30 and 59,376.62 is: 81,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,123.70 : 147,828.30 = 59,376.62 : x
  2. Step 2: Convert to fraction form
    107,123.70/147,828.30 = 59,376.62/x
  3. Step 3: Cross multiply
    107,123.70x = 147,828.30 × 59,376.62
  4. Step 4: Simplify right side
    107,123.70x = 8,777,544,794.35
  5. Step 5: Solve for x
    x = 8,777,544,794.35/107,123.70
  6. Step 6: Final answer
    x = 81,938.40

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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.