Home / 85,630.80-118,168.63-46,868.43

Finding the Fourth Proportional to 85,630.80, 118,168.63 and 46,868.43

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Solution

The fourth proportional to 85,630.80, 118,168.63 and 46,868.43 is: 64,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,630.80 : 118,168.63 = 46,868.43 : x
  2. Step 2: Convert to fraction form
    85,630.80/118,168.63 = 46,868.43/x
  3. Step 3: Cross multiply
    85,630.80x = 118,168.63 × 46,868.43
  4. Step 4: Simplify right side
    85,630.80x = 5,538,377,929.01
  5. Step 5: Solve for x
    x = 5,538,377,929.01/85,630.80
  6. Step 6: Final answer
    x = 64,677.40

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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.