Home / 70,907.09-97,851.51-39,075.30

Finding the Fourth Proportional to 70,907.09, 97,851.51 and 39,075.30

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Solution

The fourth proportional to 70,907.09, 97,851.51 and 39,075.30 is: 53,923.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,907.09 : 97,851.51 = 39,075.30 : x
  2. Step 2: Convert to fraction form
    70,907.09/97,851.51 = 39,075.30/x
  3. Step 3: Cross multiply
    70,907.09x = 97,851.51 × 39,075.30
  4. Step 4: Simplify right side
    70,907.09x = 3,823,577,108.70
  5. Step 5: Solve for x
    x = 3,823,577,108.70/70,907.09
  6. Step 6: Final answer
    x = 53,923.76

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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.