Home / 66,900.06-92,307.63-38,589.34

Finding the Fourth Proportional to 66,900.06, 92,307.63 and 38,589.34

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Solution

The fourth proportional to 66,900.06, 92,307.63 and 38,589.34 is: 53,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,900.06 : 92,307.63 = 38,589.34 : x
  2. Step 2: Convert to fraction form
    66,900.06/92,307.63 = 38,589.34/x
  3. Step 3: Cross multiply
    66,900.06x = 92,307.63 × 38,589.34
  4. Step 4: Simplify right side
    66,900.06x = 3,562,090,518.66
  5. Step 5: Solve for x
    x = 3,562,090,518.66/66,900.06
  6. Step 6: Final answer
    x = 53,244.95

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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.