Home / 70,518.06-97,321.23-38,693.16

Finding the Fourth Proportional to 70,518.06, 97,321.23 and 38,693.16

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Solution

The fourth proportional to 70,518.06, 97,321.23 and 38,693.16 is: 53,400.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,518.06 : 97,321.23 = 38,693.16 : x
  2. Step 2: Convert to fraction form
    70,518.06/97,321.23 = 38,693.16/x
  3. Step 3: Cross multiply
    70,518.06x = 97,321.23 × 38,693.16
  4. Step 4: Simplify right side
    70,518.06x = 3,765,665,923.79
  5. Step 5: Solve for x
    x = 3,765,665,923.79/70,518.06
  6. Step 6: Final answer
    x = 53,400.02

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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.