Home / 104,075.10-143,623.47-56,328.42

Finding the Fourth Proportional to 104,075.10, 143,623.47 and 56,328.42

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Solution

The fourth proportional to 104,075.10, 143,623.47 and 56,328.42 is: 77,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,075.10 : 143,623.47 = 56,328.42 : x
  2. Step 2: Convert to fraction form
    104,075.10/143,623.47 = 56,328.42/x
  3. Step 3: Cross multiply
    104,075.10x = 143,623.47 × 56,328.42
  4. Step 4: Simplify right side
    104,075.10x = 8,090,083,140.02
  5. Step 5: Solve for x
    x = 8,090,083,140.02/104,075.10
  6. Step 6: Final answer
    x = 77,733.13

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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.