Home / 53,915.10-74,651.67-51,150.30

Finding the Fourth Proportional to 53,915.10, 74,651.67 and 51,150.30

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Solution

The fourth proportional to 53,915.10, 74,651.67 and 51,150.30 is: 70,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,915.10 : 74,651.67 = 51,150.30 : x
  2. Step 2: Convert to fraction form
    53,915.10/74,651.67 = 51,150.30/x
  3. Step 3: Cross multiply
    53,915.10x = 74,651.67 × 51,150.30
  4. Step 4: Simplify right side
    53,915.10x = 3,818,455,316.00
  5. Step 5: Solve for x
    x = 3,818,455,316.00/53,915.10
  6. Step 6: Final answer
    x = 70,823.49

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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.