Home / 70,705.56-97,575.60-38,442.36

Finding the Fourth Proportional to 70,705.56, 97,575.60 and 38,442.36

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Solution

The fourth proportional to 70,705.56, 97,575.60 and 38,442.36 is: 53,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,705.56 : 97,575.60 = 38,442.36 : x
  2. Step 2: Convert to fraction form
    70,705.56/97,575.60 = 38,442.36/x
  3. Step 3: Cross multiply
    70,705.56x = 97,575.60 × 38,442.36
  4. Step 4: Simplify right side
    70,705.56x = 3,751,036,342.42
  5. Step 5: Solve for x
    x = 3,751,036,342.42/70,705.56
  6. Step 6: Final answer
    x = 53,051.50

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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.