Home / 70,435.36-97,203.81-42,135.58

Finding the Fourth Proportional to 70,435.36, 97,203.81 and 42,135.58

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Solution

The fourth proportional to 70,435.36, 97,203.81 and 42,135.58 is: 58,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,435.36 : 97,203.81 = 42,135.58 : x
  2. Step 2: Convert to fraction form
    70,435.36/97,203.81 = 42,135.58/x
  3. Step 3: Cross multiply
    70,435.36x = 97,203.81 × 42,135.58
  4. Step 4: Simplify right side
    70,435.36x = 4,095,738,912.56
  5. Step 5: Solve for x
    x = 4,095,738,912.56/70,435.36
  6. Step 6: Final answer
    x = 58,148.90

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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.