Home / 85,938.46-118,596.35-47,700.49

Finding the Fourth Proportional to 85,938.46, 118,596.35 and 47,700.49

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Solution

The fourth proportional to 85,938.46, 118,596.35 and 47,700.49 is: 65,827.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,938.46 : 118,596.35 = 47,700.49 : x
  2. Step 2: Convert to fraction form
    85,938.46/118,596.35 = 47,700.49/x
  3. Step 3: Cross multiply
    85,938.46x = 118,596.35 × 47,700.49
  4. Step 4: Simplify right side
    85,938.46x = 5,657,103,829.97
  5. Step 5: Solve for x
    x = 5,657,103,829.97/85,938.46
  6. Step 6: Final answer
    x = 65,827.38

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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.