Home / 70,111.24-105,111.02-40,495.56

Finding the Fourth Proportional to 70,111.24, 105,111.02 and 40,495.56

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Solution

The fourth proportional to 70,111.24, 105,111.02 and 40,495.56 is: 60,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,111.24 : 105,111.02 = 40,495.56 : x
  2. Step 2: Convert to fraction form
    70,111.24/105,111.02 = 40,495.56/x
  3. Step 3: Cross multiply
    70,111.24x = 105,111.02 × 40,495.56
  4. Step 4: Simplify right side
    70,111.24x = 4,256,529,617.07
  5. Step 5: Solve for x
    x = 4,256,529,617.07/70,111.24
  6. Step 6: Final answer
    x = 60,711.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.