Home / 70,090.05-96,720.60-38,252.77

Finding the Fourth Proportional to 70,090.05, 96,720.60 and 38,252.77

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Solution

The fourth proportional to 70,090.05, 96,720.60 and 38,252.77 is: 52,786.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,090.05 : 96,720.60 = 38,252.77 : x
  2. Step 2: Convert to fraction form
    70,090.05/96,720.60 = 38,252.77/x
  3. Step 3: Cross multiply
    70,090.05x = 96,720.60 × 38,252.77
  4. Step 4: Simplify right side
    70,090.05x = 3,699,830,866.06
  5. Step 5: Solve for x
    x = 3,699,830,866.06/70,090.05
  6. Step 6: Final answer
    x = 52,786.82

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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.