Home / 70,315.09-97,034.24-38,483.91

Finding the Fourth Proportional to 70,315.09, 97,034.24 and 38,483.91

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Solution

The fourth proportional to 70,315.09, 97,034.24 and 38,483.91 is: 53,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,315.09 : 97,034.24 = 38,483.91 : x
  2. Step 2: Convert to fraction form
    70,315.09/97,034.24 = 38,483.91/x
  3. Step 3: Cross multiply
    70,315.09x = 97,034.24 × 38,483.91
  4. Step 4: Simplify right side
    70,315.09x = 3,734,256,959.08
  5. Step 5: Solve for x
    x = 3,734,256,959.08/70,315.09
  6. Step 6: Final answer
    x = 53,107.48

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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.