Home / 55,069.19-82,561.98-28,386.42

Finding the Fourth Proportional to 55,069.19, 82,561.98 and 28,386.42

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Solution

The fourth proportional to 55,069.19, 82,561.98 and 28,386.42 is: 42,558.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,069.19 : 82,561.98 = 28,386.42 : x
  2. Step 2: Convert to fraction form
    55,069.19/82,561.98 = 28,386.42/x
  3. Step 3: Cross multiply
    55,069.19x = 82,561.98 × 28,386.42
  4. Step 4: Simplify right side
    55,069.19x = 2,343,639,533.77
  5. Step 5: Solve for x
    x = 2,343,639,533.77/55,069.19
  6. Step 6: Final answer
    x = 42,558.09

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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.