Home / 76,245.02-105,000.63-68,626.46

Finding the Fourth Proportional to 76,245.02, 105,000.63 and 68,626.46

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Solution

The fourth proportional to 76,245.02, 105,000.63 and 68,626.46 is: 94,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,245.02 : 105,000.63 = 68,626.46 : x
  2. Step 2: Convert to fraction form
    76,245.02/105,000.63 = 68,626.46/x
  3. Step 3: Cross multiply
    76,245.02x = 105,000.63 × 68,626.46
  4. Step 4: Simplify right side
    76,245.02x = 7,205,821,534.67
  5. Step 5: Solve for x
    x = 7,205,821,534.67/76,245.02
  6. Step 6: Final answer
    x = 94,508.75

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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.