Home / 107,107.18-147,807.01-58,711.81

Finding the Fourth Proportional to 107,107.18, 147,807.01 and 58,711.81

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Solution

The fourth proportional to 107,107.18, 147,807.01 and 58,711.81 is: 81,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,107.18 : 147,807.01 = 58,711.81 : x
  2. Step 2: Convert to fraction form
    107,107.18/147,807.01 = 58,711.81/x
  3. Step 3: Cross multiply
    107,107.18x = 147,807.01 × 58,711.81
  4. Step 4: Simplify right side
    107,107.18x = 8,678,017,087.79
  5. Step 5: Solve for x
    x = 8,678,017,087.79/107,107.18
  6. Step 6: Final answer
    x = 81,021.81

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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.