Home / 70,529.75-97,332.84-38,698.64

Finding the Fourth Proportional to 70,529.75, 97,332.84 and 38,698.64

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Solution

The fourth proportional to 70,529.75, 97,332.84 and 38,698.64 is: 53,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,529.75 : 97,332.84 = 38,698.64 : x
  2. Step 2: Convert to fraction form
    70,529.75/97,332.84 = 38,698.64/x
  3. Step 3: Cross multiply
    70,529.75x = 97,332.84 × 38,698.64
  4. Step 4: Simplify right side
    70,529.75x = 3,766,648,048.67
  5. Step 5: Solve for x
    x = 3,766,648,048.67/70,529.75
  6. Step 6: Final answer
    x = 53,405.10

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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.