Home / 70,618.14-97,455.24-38,787

Finding the Fourth Proportional to 70,618.14, 97,455.24 and 38,787

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Solution

The fourth proportional to 70,618.14, 97,455.24 and 38,787 is: 53,527.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,618.14 : 97,455.24 = 38,787 : x
  2. Step 2: Convert to fraction form
    70,618.14/97,455.24 = 38,787/x
  3. Step 3: Cross multiply
    70,618.14x = 97,455.24 × 38,787
  4. Step 4: Simplify right side
    70,618.14x = 3,779,996,393.88
  5. Step 5: Solve for x
    x = 3,779,996,393.88/70,618.14
  6. Step 6: Final answer
    x = 53,527.27

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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.