Home / 70,435.03-105,643.29-34,882.51

Finding the Fourth Proportional to 70,435.03, 105,643.29 and 34,882.51

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Solution

The fourth proportional to 70,435.03, 105,643.29 and 34,882.51 is: 52,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,435.03 : 105,643.29 = 34,882.51 : x
  2. Step 2: Convert to fraction form
    70,435.03/105,643.29 = 34,882.51/x
  3. Step 3: Cross multiply
    70,435.03x = 105,643.29 × 34,882.51
  4. Step 4: Simplify right side
    70,435.03x = 3,685,103,119.86
  5. Step 5: Solve for x
    x = 3,685,103,119.86/70,435.03
  6. Step 6: Final answer
    x = 52,319.18

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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.