Home / 70,150.12-96,806.64-38,319.01

Finding the Fourth Proportional to 70,150.12, 96,806.64 and 38,319.01

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Solution

The fourth proportional to 70,150.12, 96,806.64 and 38,319.01 is: 52,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,150.12 : 96,806.64 = 38,319.01 : x
  2. Step 2: Convert to fraction form
    70,150.12/96,806.64 = 38,319.01/x
  3. Step 3: Cross multiply
    70,150.12x = 96,806.64 × 38,319.01
  4. Step 4: Simplify right side
    70,150.12x = 3,709,534,606.23
  5. Step 5: Solve for x
    x = 3,709,534,606.23/70,150.12
  6. Step 6: Final answer
    x = 52,879.95

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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.