Home / 107,021.57-147,688.14-58,623.11

Finding the Fourth Proportional to 107,021.57, 147,688.14 and 58,623.11

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Solution

The fourth proportional to 107,021.57, 147,688.14 and 58,623.11 is: 80,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,021.57 : 147,688.14 = 58,623.11 : x
  2. Step 2: Convert to fraction form
    107,021.57/147,688.14 = 58,623.11/x
  3. Step 3: Cross multiply
    107,021.57x = 147,688.14 × 58,623.11
  4. Step 4: Simplify right side
    107,021.57x = 8,657,938,076.92
  5. Step 5: Solve for x
    x = 8,657,938,076.92/107,021.57
  6. Step 6: Final answer
    x = 80,899.00

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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.