Home / 70,490.26-97,267.56-40,277.54

Finding the Fourth Proportional to 70,490.26, 97,267.56 and 40,277.54

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Solution

The fourth proportional to 70,490.26, 97,267.56 and 40,277.54 is: 55,577.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,490.26 : 97,267.56 = 40,277.54 : x
  2. Step 2: Convert to fraction form
    70,490.26/97,267.56 = 40,277.54/x
  3. Step 3: Cross multiply
    70,490.26x = 97,267.56 × 40,277.54
  4. Step 4: Simplify right side
    70,490.26x = 3,917,698,281.77
  5. Step 5: Solve for x
    x = 3,917,698,281.77/70,490.26
  6. Step 6: Final answer
    x = 55,577.87

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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.