Home / 107,711.61-148,619.46-62,386.84

Finding the Fourth Proportional to 107,711.61, 148,619.46 and 62,386.84

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Solution

The fourth proportional to 107,711.61, 148,619.46 and 62,386.84 is: 86,080.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,711.61 : 148,619.46 = 62,386.84 : x
  2. Step 2: Convert to fraction form
    107,711.61/148,619.46 = 62,386.84/x
  3. Step 3: Cross multiply
    107,711.61x = 148,619.46 × 62,386.84
  4. Step 4: Simplify right side
    107,711.61x = 9,271,898,471.91
  5. Step 5: Solve for x
    x = 9,271,898,471.91/107,711.61
  6. Step 6: Final answer
    x = 86,080.77

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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.