Home / 70,011.32-96,611.82-40,203.32

Finding the Fourth Proportional to 70,011.32, 96,611.82 and 40,203.32

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Solution

The fourth proportional to 70,011.32, 96,611.82 and 40,203.32 is: 55,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,011.32 : 96,611.82 = 40,203.32 : x
  2. Step 2: Convert to fraction form
    70,011.32/96,611.82 = 40,203.32/x
  3. Step 3: Cross multiply
    70,011.32x = 96,611.82 × 40,203.32
  4. Step 4: Simplify right side
    70,011.32x = 3,884,115,915.24
  5. Step 5: Solve for x
    x = 3,884,115,915.24/70,011.32
  6. Step 6: Final answer
    x = 55,478.40

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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.