Home / 55,599.12-76,698.18-37,688.04

Finding the Fourth Proportional to 55,599.12, 76,698.18 and 37,688.04

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Solution

The fourth proportional to 55,599.12, 76,698.18 and 37,688.04 is: 51,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,599.12 : 76,698.18 = 37,688.04 : x
  2. Step 2: Convert to fraction form
    55,599.12/76,698.18 = 37,688.04/x
  3. Step 3: Cross multiply
    55,599.12x = 76,698.18 × 37,688.04
  4. Step 4: Simplify right side
    55,599.12x = 2,890,604,075.77
  5. Step 5: Solve for x
    x = 2,890,604,075.77/55,599.12
  6. Step 6: Final answer
    x = 51,990.10

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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.