Home / 78,941.64-108,941.58-43,133.16

Finding the Fourth Proportional to 78,941.64, 108,941.58 and 43,133.16

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Solution

The fourth proportional to 78,941.64, 108,941.58 and 43,133.16 is: 59,524.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,941.64 : 108,941.58 = 43,133.16 : x
  2. Step 2: Convert to fraction form
    78,941.64/108,941.58 = 43,133.16/x
  3. Step 3: Cross multiply
    78,941.64x = 108,941.58 × 43,133.16
  4. Step 4: Simplify right side
    78,941.64x = 4,698,994,600.79
  5. Step 5: Solve for x
    x = 4,698,994,600.79/78,941.64
  6. Step 6: Final answer
    x = 59,524.92

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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.