Home / 76,071.77-104,970.96-42,074.85

Finding the Fourth Proportional to 76,071.77, 104,970.96 and 42,074.85

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Solution

The fourth proportional to 76,071.77, 104,970.96 and 42,074.85 is: 58,058.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,071.77 : 104,970.96 = 42,074.85 : x
  2. Step 2: Convert to fraction form
    76,071.77/104,970.96 = 42,074.85/x
  3. Step 3: Cross multiply
    76,071.77x = 104,970.96 × 42,074.85
  4. Step 4: Simplify right side
    76,071.77x = 4,416,637,396.36
  5. Step 5: Solve for x
    x = 4,416,637,396.36/76,071.77
  6. Step 6: Final answer
    x = 58,058.82

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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.