Home / 66,666.24-91,995.64-36,445.95

Finding the Fourth Proportional to 66,666.24, 91,995.64 and 36,445.95

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Solution

The fourth proportional to 66,666.24, 91,995.64 and 36,445.95 is: 50,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,666.24 : 91,995.64 = 36,445.95 : x
  2. Step 2: Convert to fraction form
    66,666.24/91,995.64 = 36,445.95/x
  3. Step 3: Cross multiply
    66,666.24x = 91,995.64 × 36,445.95
  4. Step 4: Simplify right side
    66,666.24x = 3,352,868,495.66
  5. Step 5: Solve for x
    x = 3,352,868,495.66/66,666.24
  6. Step 6: Final answer
    x = 50,293.35

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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.