Home / 70,434.54-97,199.12-38,603.36

Finding the Fourth Proportional to 70,434.54, 97,199.12 and 38,603.36

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Solution

The fourth proportional to 70,434.54, 97,199.12 and 38,603.36 is: 53,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,434.54 : 97,199.12 = 38,603.36 : x
  2. Step 2: Convert to fraction form
    70,434.54/97,199.12 = 38,603.36/x
  3. Step 3: Cross multiply
    70,434.54x = 97,199.12 × 38,603.36
  4. Step 4: Simplify right side
    70,434.54x = 3,752,212,621.04
  5. Step 5: Solve for x
    x = 3,752,212,621.04/70,434.54
  6. Step 6: Final answer
    x = 53,272.34

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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.