Home / 70,439.36-97,216.28-43,590.51

Finding the Fourth Proportional to 70,439.36, 97,216.28 and 43,590.51

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Solution

The fourth proportional to 70,439.36, 97,216.28 and 43,590.51 is: 60,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,439.36 : 97,216.28 = 43,590.51 : x
  2. Step 2: Convert to fraction form
    70,439.36/97,216.28 = 43,590.51/x
  3. Step 3: Cross multiply
    70,439.36x = 97,216.28 × 43,590.51
  4. Step 4: Simplify right side
    70,439.36x = 4,237,707,372.11
  5. Step 5: Solve for x
    x = 4,237,707,372.11/70,439.36
  6. Step 6: Final answer
    x = 60,161.08

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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.