Home / 104,075.16-143,624.12-56,328.50

Finding the Fourth Proportional to 104,075.16, 143,624.12 and 56,328.50

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Solution

The fourth proportional to 104,075.16, 143,624.12 and 56,328.50 is: 77,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,075.16 : 143,624.12 = 56,328.50 : x
  2. Step 2: Convert to fraction form
    104,075.16/143,624.12 = 56,328.50/x
  3. Step 3: Cross multiply
    104,075.16x = 143,624.12 × 56,328.50
  4. Step 4: Simplify right side
    104,075.16x = 8,090,131,243.42
  5. Step 5: Solve for x
    x = 8,090,131,243.42/104,075.16
  6. Step 6: Final answer
    x = 77,733.55

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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.