Home / 70,348.75-97,090.55-40,127.16

Finding the Fourth Proportional to 70,348.75, 97,090.55 and 40,127.16

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Solution

The fourth proportional to 70,348.75, 97,090.55 and 40,127.16 is: 55,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,348.75 : 97,090.55 = 40,127.16 : x
  2. Step 2: Convert to fraction form
    70,348.75/97,090.55 = 40,127.16/x
  3. Step 3: Cross multiply
    70,348.75x = 97,090.55 × 40,127.16
  4. Step 4: Simplify right side
    70,348.75x = 3,895,968,034.34
  5. Step 5: Solve for x
    x = 3,895,968,034.34/70,348.75
  6. Step 6: Final answer
    x = 55,380.77

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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.