Home / 54,599.16-81,790.38-42,075.72

Finding the Fourth Proportional to 54,599.16, 81,790.38 and 42,075.72

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Solution

The fourth proportional to 54,599.16, 81,790.38 and 42,075.72 is: 63,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,599.16 : 81,790.38 = 42,075.72 : x
  2. Step 2: Convert to fraction form
    54,599.16/81,790.38 = 42,075.72/x
  3. Step 3: Cross multiply
    54,599.16x = 81,790.38 × 42,075.72
  4. Step 4: Simplify right side
    54,599.16x = 3,441,389,127.57
  5. Step 5: Solve for x
    x = 3,441,389,127.57/54,599.16
  6. Step 6: Final answer
    x = 63,030.07

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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.