Home / 70,319.37-97,038.81-40,104.01

Finding the Fourth Proportional to 70,319.37, 97,038.81 and 40,104.01

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Solution

The fourth proportional to 70,319.37, 97,038.81 and 40,104.01 is: 55,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,319.37 : 97,038.81 = 40,104.01 : x
  2. Step 2: Convert to fraction form
    70,319.37/97,038.81 = 40,104.01/x
  3. Step 3: Cross multiply
    70,319.37x = 97,038.81 × 40,104.01
  4. Step 4: Simplify right side
    70,319.37x = 3,891,645,527.93
  5. Step 5: Solve for x
    x = 3,891,645,527.93/70,319.37
  6. Step 6: Final answer
    x = 55,342.44

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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.