Home / 70,625.24-97,439.10-39,994.16

Finding the Fourth Proportional to 70,625.24, 97,439.10 and 39,994.16

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Solution

The fourth proportional to 70,625.24, 97,439.10 and 39,994.16 is: 55,178.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,625.24 : 97,439.10 = 39,994.16 : x
  2. Step 2: Convert to fraction form
    70,625.24/97,439.10 = 39,994.16/x
  3. Step 3: Cross multiply
    70,625.24x = 97,439.10 × 39,994.16
  4. Step 4: Simplify right side
    70,625.24x = 3,896,994,955.66
  5. Step 5: Solve for x
    x = 3,896,994,955.66/70,625.24
  6. Step 6: Final answer
    x = 55,178.50

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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.