Home / 65,719.47-90,693.45-37,033.64

Finding the Fourth Proportional to 65,719.47, 90,693.45 and 37,033.64

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Solution

The fourth proportional to 65,719.47, 90,693.45 and 37,033.64 is: 51,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,719.47 : 90,693.45 = 37,033.64 : x
  2. Step 2: Convert to fraction form
    65,719.47/90,693.45 = 37,033.64/x
  3. Step 3: Cross multiply
    65,719.47x = 90,693.45 × 37,033.64
  4. Step 4: Simplify right side
    65,719.47x = 3,358,707,939.02
  5. Step 5: Solve for x
    x = 3,358,707,939.02/65,719.47
  6. Step 6: Final answer
    x = 51,106.74

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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.