Home / 76,074.89-104,982.35-42,080.67

Finding the Fourth Proportional to 76,074.89, 104,982.35 and 42,080.67

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Solution

The fourth proportional to 76,074.89, 104,982.35 and 42,080.67 is: 58,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,074.89 : 104,982.35 = 42,080.67 : x
  2. Step 2: Convert to fraction form
    76,074.89/104,982.35 = 42,080.67/x
  3. Step 3: Cross multiply
    76,074.89x = 104,982.35 × 42,080.67
  4. Step 4: Simplify right side
    76,074.89x = 4,417,727,415.77
  5. Step 5: Solve for x
    x = 4,417,727,415.77/76,074.89
  6. Step 6: Final answer
    x = 58,070.77

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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.