Home / 85,274.69-117,677.45-47,037.80

Finding the Fourth Proportional to 85,274.69, 117,677.45 and 47,037.80

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Solution

The fourth proportional to 85,274.69, 117,677.45 and 47,037.80 is: 64,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,274.69 : 117,677.45 = 47,037.80 : x
  2. Step 2: Convert to fraction form
    85,274.69/117,677.45 = 47,037.80/x
  3. Step 3: Cross multiply
    85,274.69x = 117,677.45 × 47,037.80
  4. Step 4: Simplify right side
    85,274.69x = 5,535,287,534.03
  5. Step 5: Solve for x
    x = 5,535,287,534.03/85,274.69
  6. Step 6: Final answer
    x = 64,911.26

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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.