Home / 55,888.32-83,840.80-18,452.35

Finding the Fourth Proportional to 55,888.32, 83,840.80 and 18,452.35

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Solution

The fourth proportional to 55,888.32, 83,840.80 and 18,452.35 is: 27,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,888.32 : 83,840.80 = 18,452.35 : x
  2. Step 2: Convert to fraction form
    55,888.32/83,840.80 = 18,452.35/x
  3. Step 3: Cross multiply
    55,888.32x = 83,840.80 × 18,452.35
  4. Step 4: Simplify right side
    55,888.32x = 1,547,059,913.75
  5. Step 5: Solve for x
    x = 1,547,059,913.75/55,888.32
  6. Step 6: Final answer
    x = 27,681.27

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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.