Home / 70,338.57-97,075.02-40,131.34

Finding the Fourth Proportional to 70,338.57, 97,075.02 and 40,131.34

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Solution

The fourth proportional to 70,338.57, 97,075.02 and 40,131.34 is: 55,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,338.57 : 97,075.02 = 40,131.34 : x
  2. Step 2: Convert to fraction form
    70,338.57/97,075.02 = 40,131.34/x
  3. Step 3: Cross multiply
    70,338.57x = 97,075.02 × 40,131.34
  4. Step 4: Simplify right side
    70,338.57x = 3,895,750,633.13
  5. Step 5: Solve for x
    x = 3,895,750,633.13/70,338.57
  6. Step 6: Final answer
    x = 55,385.70

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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.