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Finding the Fourth Proportional to 66,887.94, 92,236.46 and 46,737.47

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Solution

The fourth proportional to 66,887.94, 92,236.46 and 46,737.47 is: 64,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,887.94 : 92,236.46 = 46,737.47 : x
  2. Step 2: Convert to fraction form
    66,887.94/92,236.46 = 46,737.47/x
  3. Step 3: Cross multiply
    66,887.94x = 92,236.46 × 46,737.47
  4. Step 4: Simplify right side
    66,887.94x = 4,310,898,779.06
  5. Step 5: Solve for x
    x = 4,310,898,779.06/66,887.94
  6. Step 6: Final answer
    x = 64,449.56

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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.