Home / 66,941.12-92,303-42,709.66

Finding the Fourth Proportional to 66,941.12, 92,303 and 42,709.66

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Solution

The fourth proportional to 66,941.12, 92,303 and 42,709.66 is: 58,891.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,941.12 : 92,303 = 42,709.66 : x
  2. Step 2: Convert to fraction form
    66,941.12/92,303 = 42,709.66/x
  3. Step 3: Cross multiply
    66,941.12x = 92,303 × 42,709.66
  4. Step 4: Simplify right side
    66,941.12x = 3,942,229,746.98
  5. Step 5: Solve for x
    x = 3,942,229,746.98/66,941.12
  6. Step 6: Final answer
    x = 58,891.00

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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.