Home / 70,968.02-97,931.63-40,758.26

Finding the Fourth Proportional to 70,968.02, 97,931.63 and 40,758.26

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Solution

The fourth proportional to 70,968.02, 97,931.63 and 40,758.26 is: 56,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,968.02 : 97,931.63 = 40,758.26 : x
  2. Step 2: Convert to fraction form
    70,968.02/97,931.63 = 40,758.26/x
  3. Step 3: Cross multiply
    70,968.02x = 97,931.63 × 40,758.26
  4. Step 4: Simplify right side
    70,968.02x = 3,991,522,450.00
  5. Step 5: Solve for x
    x = 3,991,522,450.00/70,968.02
  6. Step 6: Final answer
    x = 56,243.96

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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.