Home / 70,348.44-97,075.92-40,126.80

Finding the Fourth Proportional to 70,348.44, 97,075.92 and 40,126.80

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Solution

The fourth proportional to 70,348.44, 97,075.92 and 40,126.80 is: 55,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,348.44 : 97,075.92 = 40,126.80 : x
  2. Step 2: Convert to fraction form
    70,348.44/97,075.92 = 40,126.80/x
  3. Step 3: Cross multiply
    70,348.44x = 97,075.92 × 40,126.80
  4. Step 4: Simplify right side
    70,348.44x = 3,895,346,026.66
  5. Step 5: Solve for x
    x = 3,895,346,026.66/70,348.44
  6. Step 6: Final answer
    x = 55,372.17

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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.