Home / 51,453.78-70,938.15-37,101.60

Finding the Fourth Proportional to 51,453.78, 70,938.15 and 37,101.60

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Solution

The fourth proportional to 51,453.78, 70,938.15 and 37,101.60 is: 51,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,453.78 : 70,938.15 = 37,101.60 : x
  2. Step 2: Convert to fraction form
    51,453.78/70,938.15 = 37,101.60/x
  3. Step 3: Cross multiply
    51,453.78x = 70,938.15 × 37,101.60
  4. Step 4: Simplify right side
    51,453.78x = 2,631,918,866.04
  5. Step 5: Solve for x
    x = 2,631,918,866.04/51,453.78
  6. Step 6: Final answer
    x = 51,151.13

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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.