Home / 76,064.46-104,969.64-42,071.16

Finding the Fourth Proportional to 76,064.46, 104,969.64 and 42,071.16

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Solution

The fourth proportional to 76,064.46, 104,969.64 and 42,071.16 is: 58,058.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,064.46 : 104,969.64 = 42,071.16 : x
  2. Step 2: Convert to fraction form
    76,064.46/104,969.64 = 42,071.16/x
  3. Step 3: Cross multiply
    76,064.46x = 104,969.64 × 42,071.16
  4. Step 4: Simplify right side
    76,064.46x = 4,416,194,519.58
  5. Step 5: Solve for x
    x = 4,416,194,519.58/76,064.46
  6. Step 6: Final answer
    x = 58,058.58

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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.