Home / 70,950.20-97,909.25-39,119.13

Finding the Fourth Proportional to 70,950.20, 97,909.25 and 39,119.13

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Solution

The fourth proportional to 70,950.20, 97,909.25 and 39,119.13 is: 53,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,950.20 : 97,909.25 = 39,119.13 : x
  2. Step 2: Convert to fraction form
    70,950.20/97,909.25 = 39,119.13/x
  3. Step 3: Cross multiply
    70,950.20x = 97,909.25 × 39,119.13
  4. Step 4: Simplify right side
    70,950.20x = 3,830,124,483.36
  5. Step 5: Solve for x
    x = 3,830,124,483.36/70,950.20
  6. Step 6: Final answer
    x = 53,983.28

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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.