Home / 70,653.40-97,497.18-40,438.60

Finding the Fourth Proportional to 70,653.40, 97,497.18 and 40,438.60

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Solution

The fourth proportional to 70,653.40, 97,497.18 and 40,438.60 is: 55,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,653.40 : 97,497.18 = 40,438.60 : x
  2. Step 2: Convert to fraction form
    70,653.40/97,497.18 = 40,438.60/x
  3. Step 3: Cross multiply
    70,653.40x = 97,497.18 × 40,438.60
  4. Step 4: Simplify right side
    70,653.40x = 3,942,649,463.15
  5. Step 5: Solve for x
    x = 3,942,649,463.15/70,653.40
  6. Step 6: Final answer
    x = 55,802.69

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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.