Home / 70,675.32-97,531.65-38,845.56

Finding the Fourth Proportional to 70,675.32, 97,531.65 and 38,845.56

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Solution

The fourth proportional to 70,675.32, 97,531.65 and 38,845.56 is: 53,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,675.32 : 97,531.65 = 38,845.56 : x
  2. Step 2: Convert to fraction form
    70,675.32/97,531.65 = 38,845.56/x
  3. Step 3: Cross multiply
    70,675.32x = 97,531.65 × 38,845.56
  4. Step 4: Simplify right side
    70,675.32x = 3,788,671,561.97
  5. Step 5: Solve for x
    x = 3,788,671,561.97/70,675.32
  6. Step 6: Final answer
    x = 53,606.71

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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.