Home / 104,007.09-143,529.66-56,260.29

Finding the Fourth Proportional to 104,007.09, 143,529.66 and 56,260.29

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Solution

The fourth proportional to 104,007.09, 143,529.66 and 56,260.29 is: 77,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,007.09 : 143,529.66 = 56,260.29 : x
  2. Step 2: Convert to fraction form
    104,007.09/143,529.66 = 56,260.29/x
  3. Step 3: Cross multiply
    104,007.09x = 143,529.66 × 56,260.29
  4. Step 4: Simplify right side
    104,007.09x = 8,075,020,295.20
  5. Step 5: Solve for x
    x = 8,075,020,295.20/104,007.09
  6. Step 6: Final answer
    x = 77,639.13

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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.