Home / 60,075.02-90,126.22-31,980.28

Finding the Fourth Proportional to 60,075.02, 90,126.22 and 31,980.28

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Solution

The fourth proportional to 60,075.02, 90,126.22 and 31,980.28 is: 47,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,075.02 : 90,126.22 = 31,980.28 : x
  2. Step 2: Convert to fraction form
    60,075.02/90,126.22 = 31,980.28/x
  3. Step 3: Cross multiply
    60,075.02x = 90,126.22 × 31,980.28
  4. Step 4: Simplify right side
    60,075.02x = 2,882,261,750.94
  5. Step 5: Solve for x
    x = 2,882,261,750.94/60,075.02
  6. Step 6: Final answer
    x = 47,977.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.