Home / 91,063.24-136,607.34-31,075.64

Finding the Fourth Proportional to 91,063.24, 136,607.34 and 31,075.64

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Solution

The fourth proportional to 91,063.24, 136,607.34 and 31,075.64 is: 46,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,063.24 : 136,607.34 = 31,075.64 : x
  2. Step 2: Convert to fraction form
    91,063.24/136,607.34 = 31,075.64/x
  3. Step 3: Cross multiply
    91,063.24x = 136,607.34 × 31,075.64
  4. Step 4: Simplify right side
    91,063.24x = 4,245,160,519.20
  5. Step 5: Solve for x
    x = 4,245,160,519.20/91,063.24
  6. Step 6: Final answer
    x = 46,617.72

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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.