Home / 70,372.06-97,089.32-40,135.63

Finding the Fourth Proportional to 70,372.06, 97,089.32 and 40,135.63

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Solution

The fourth proportional to 70,372.06, 97,089.32 and 40,135.63 is: 55,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,372.06 : 97,089.32 = 40,135.63 : x
  2. Step 2: Convert to fraction form
    70,372.06/97,089.32 = 40,135.63/x
  3. Step 3: Cross multiply
    70,372.06x = 97,089.32 × 40,135.63
  4. Step 4: Simplify right side
    70,372.06x = 3,896,741,024.47
  5. Step 5: Solve for x
    x = 3,896,741,024.47/70,372.06
  6. Step 6: Final answer
    x = 55,373.41

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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.