Home / 66,285.23-91,473.80-36,070.55

Finding the Fourth Proportional to 66,285.23, 91,473.80 and 36,070.55

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Solution

The fourth proportional to 66,285.23, 91,473.80 and 36,070.55 is: 49,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,285.23 : 91,473.80 = 36,070.55 : x
  2. Step 2: Convert to fraction form
    66,285.23/91,473.80 = 36,070.55/x
  3. Step 3: Cross multiply
    66,285.23x = 91,473.80 × 36,070.55
  4. Step 4: Simplify right side
    66,285.23x = 3,299,510,276.59
  5. Step 5: Solve for x
    x = 3,299,510,276.59/66,285.23
  6. Step 6: Final answer
    x = 49,777.46

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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.