Home / 70,289.42-96,999.28-38,458.26

Finding the Fourth Proportional to 70,289.42, 96,999.28 and 38,458.26

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Solution

The fourth proportional to 70,289.42, 96,999.28 and 38,458.26 is: 53,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,289.42 : 96,999.28 = 38,458.26 : x
  2. Step 2: Convert to fraction form
    70,289.42/96,999.28 = 38,458.26/x
  3. Step 3: Cross multiply
    70,289.42x = 96,999.28 × 38,458.26
  4. Step 4: Simplify right side
    70,289.42x = 3,730,423,530.05
  5. Step 5: Solve for x
    x = 3,730,423,530.05/70,289.42
  6. Step 6: Final answer
    x = 53,072.33

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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.