Home / 75,185.28-112,114.44-74,510.37

Finding the Fourth Proportional to 75,185.28, 112,114.44 and 74,510.37

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Solution

The fourth proportional to 75,185.28, 112,114.44 and 74,510.37 is: 111,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,185.28 : 112,114.44 = 74,510.37 : x
  2. Step 2: Convert to fraction form
    75,185.28/112,114.44 = 74,510.37/x
  3. Step 3: Cross multiply
    75,185.28x = 112,114.44 × 74,510.37
  4. Step 4: Simplify right side
    75,185.28x = 8,353,688,406.74
  5. Step 5: Solve for x
    x = 8,353,688,406.74/75,185.28
  6. Step 6: Final answer
    x = 111,108.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.