Home / 70,420.02-97,155.36-40,183.53

Finding the Fourth Proportional to 70,420.02, 97,155.36 and 40,183.53

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Solution

The fourth proportional to 70,420.02, 97,155.36 and 40,183.53 is: 55,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,420.02 : 97,155.36 = 40,183.53 : x
  2. Step 2: Convert to fraction form
    70,420.02/97,155.36 = 40,183.53/x
  3. Step 3: Cross multiply
    70,420.02x = 97,155.36 × 40,183.53
  4. Step 4: Simplify right side
    70,420.02x = 3,904,045,323.22
  5. Step 5: Solve for x
    x = 3,904,045,323.22/70,420.02
  6. Step 6: Final answer
    x = 55,439.42

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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.