Home / 55,870.04-83,817.42-18,441.68

Finding the Fourth Proportional to 55,870.04, 83,817.42 and 18,441.68

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Solution

The fourth proportional to 55,870.04, 83,817.42 and 18,441.68 is: 27,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,870.04 : 83,817.42 = 18,441.68 : x
  2. Step 2: Convert to fraction form
    55,870.04/83,817.42 = 18,441.68/x
  3. Step 3: Cross multiply
    55,870.04x = 83,817.42 × 18,441.68
  4. Step 4: Simplify right side
    55,870.04x = 1,545,734,038.07
  5. Step 5: Solve for x
    x = 1,545,734,038.07/55,870.04
  6. Step 6: Final answer
    x = 27,666.60

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1.5x scale

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.