Home / 76,070.58-104,969.32-42,073.67

Finding the Fourth Proportional to 76,070.58, 104,969.32 and 42,073.67

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Solution

The fourth proportional to 76,070.58, 104,969.32 and 42,073.67 is: 58,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,070.58 : 104,969.32 = 42,073.67 : x
  2. Step 2: Convert to fraction form
    76,070.58/104,969.32 = 42,073.67/x
  3. Step 3: Cross multiply
    76,070.58x = 104,969.32 × 42,073.67
  4. Step 4: Simplify right side
    76,070.58x = 4,416,444,529.80
  5. Step 5: Solve for x
    x = 4,416,444,529.80/76,070.58
  6. Step 6: Final answer
    x = 58,057.20

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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.