Home / 70,431.64-97,196.52-38,599.86

Finding the Fourth Proportional to 70,431.64, 97,196.52 and 38,599.86

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Solution

The fourth proportional to 70,431.64, 97,196.52 and 38,599.86 is: 53,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,431.64 : 97,196.52 = 38,599.86 : x
  2. Step 2: Convert to fraction form
    70,431.64/97,196.52 = 38,599.86/x
  3. Step 3: Cross multiply
    70,431.64x = 97,196.52 × 38,599.86
  4. Step 4: Simplify right side
    70,431.64x = 3,751,772,064.49
  5. Step 5: Solve for x
    x = 3,751,772,064.49/70,431.64
  6. Step 6: Final answer
    x = 53,268.28

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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.