Home / 77,410.35-106,836.17-45,582.21

Finding the Fourth Proportional to 77,410.35, 106,836.17 and 45,582.21

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Solution

The fourth proportional to 77,410.35, 106,836.17 and 45,582.21 is: 62,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,410.35 : 106,836.17 = 45,582.21 : x
  2. Step 2: Convert to fraction form
    77,410.35/106,836.17 = 45,582.21/x
  3. Step 3: Cross multiply
    77,410.35x = 106,836.17 × 45,582.21
  4. Step 4: Simplify right side
    77,410.35x = 4,869,828,508.62
  5. Step 5: Solve for x
    x = 4,869,828,508.62/77,410.35
  6. Step 6: Final answer
    x = 62,909.27

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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.