Home / 70,390.07-105,582.36-26,015.84

Finding the Fourth Proportional to 70,390.07, 105,582.36 and 26,015.84

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Solution

The fourth proportional to 70,390.07, 105,582.36 and 26,015.84 is: 39,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,390.07 : 105,582.36 = 26,015.84 : x
  2. Step 2: Convert to fraction form
    70,390.07/105,582.36 = 26,015.84/x
  3. Step 3: Cross multiply
    70,390.07x = 105,582.36 × 26,015.84
  4. Step 4: Simplify right side
    70,390.07x = 2,746,813,256.67
  5. Step 5: Solve for x
    x = 2,746,813,256.67/70,390.07
  6. Step 6: Final answer
    x = 39,022.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.