Home / 76,075.87-114,124.18-31,692.23

Finding the Fourth Proportional to 76,075.87, 114,124.18 and 31,692.23

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Solution

The fourth proportional to 76,075.87, 114,124.18 and 31,692.23 is: 47,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,075.87 : 114,124.18 = 31,692.23 : x
  2. Step 2: Convert to fraction form
    76,075.87/114,124.18 = 31,692.23/x
  3. Step 3: Cross multiply
    76,075.87x = 114,124.18 × 31,692.23
  4. Step 4: Simplify right side
    76,075.87x = 3,616,849,761.12
  5. Step 5: Solve for x
    x = 3,616,849,761.12/76,075.87
  6. Step 6: Final answer
    x = 47,542.67

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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.