Home / 70,378.56-97,121.34-38,547.36

Finding the Fourth Proportional to 70,378.56, 97,121.34 and 38,547.36

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Solution

The fourth proportional to 70,378.56, 97,121.34 and 38,547.36 is: 53,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,378.56 : 97,121.34 = 38,547.36 : x
  2. Step 2: Convert to fraction form
    70,378.56/97,121.34 = 38,547.36/x
  3. Step 3: Cross multiply
    70,378.56x = 97,121.34 × 38,547.36
  4. Step 4: Simplify right side
    70,378.56x = 3,743,771,256.66
  5. Step 5: Solve for x
    x = 3,743,771,256.66/70,378.56
  6. Step 6: Final answer
    x = 53,194.77

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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.