Home / 56,075.84-77,384.43-30,582.14

Finding the Fourth Proportional to 56,075.84, 77,384.43 and 30,582.14

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Solution

The fourth proportional to 56,075.84, 77,384.43 and 30,582.14 is: 42,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,075.84 : 77,384.43 = 30,582.14 : x
  2. Step 2: Convert to fraction form
    56,075.84/77,384.43 = 30,582.14/x
  3. Step 3: Cross multiply
    56,075.84x = 77,384.43 × 30,582.14
  4. Step 4: Simplify right side
    56,075.84x = 2,366,581,472.08
  5. Step 5: Solve for x
    x = 2,366,581,472.08/56,075.84
  6. Step 6: Final answer
    x = 42,203.23

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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.