Home / 106,526.89-147,008.01-58,783.42

Finding the Fourth Proportional to 106,526.89, 147,008.01 and 58,783.42

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Solution

The fourth proportional to 106,526.89, 147,008.01 and 58,783.42 is: 81,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,526.89 : 147,008.01 = 58,783.42 : x
  2. Step 2: Convert to fraction form
    106,526.89/147,008.01 = 58,783.42/x
  3. Step 3: Cross multiply
    106,526.89x = 147,008.01 × 58,783.42
  4. Step 4: Simplify right side
    106,526.89x = 8,641,633,595.19
  5. Step 5: Solve for x
    x = 8,641,633,595.19/106,526.89
  6. Step 6: Final answer
    x = 81,121.62

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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.