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Finding the Fourth Proportional to 69,641.76, 96,184.76 and 46,941.60

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Solution

The fourth proportional to 69,641.76, 96,184.76 and 46,941.60 is: 64,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,641.76 : 96,184.76 = 46,941.60 : x
  2. Step 2: Convert to fraction form
    69,641.76/96,184.76 = 46,941.60/x
  3. Step 3: Cross multiply
    69,641.76x = 96,184.76 × 46,941.60
  4. Step 4: Simplify right side
    69,641.76x = 4,515,066,530.02
  5. Step 5: Solve for x
    x = 4,515,066,530.02/69,641.76
  6. Step 6: Final answer
    x = 64,832.75

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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.