Home / 70,376.98-97,120.38-38,111.96

Finding the Fourth Proportional to 70,376.98, 97,120.38 and 38,111.96

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Solution

The fourth proportional to 70,376.98, 97,120.38 and 38,111.96 is: 52,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,376.98 : 97,120.38 = 38,111.96 : x
  2. Step 2: Convert to fraction form
    70,376.98/97,120.38 = 38,111.96/x
  3. Step 3: Cross multiply
    70,376.98x = 97,120.38 × 38,111.96
  4. Step 4: Simplify right side
    70,376.98x = 3,701,448,037.74
  5. Step 5: Solve for x
    x = 3,701,448,037.74/70,376.98
  6. Step 6: Final answer
    x = 52,594.58

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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.