Home / 59,487.18-89,239.01-20,055.57

Finding the Fourth Proportional to 59,487.18, 89,239.01 and 20,055.57

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Solution

The fourth proportional to 59,487.18, 89,239.01 and 20,055.57 is: 30,086.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,487.18 : 89,239.01 = 20,055.57 : x
  2. Step 2: Convert to fraction form
    59,487.18/89,239.01 = 20,055.57/x
  3. Step 3: Cross multiply
    59,487.18x = 89,239.01 × 20,055.57
  4. Step 4: Simplify right side
    59,487.18x = 1,789,739,111.51
  5. Step 5: Solve for x
    x = 1,789,739,111.51/59,487.18
  6. Step 6: Final answer
    x = 30,086.13

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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.