Home / 55,822.60-83,741.16-18,386.50

Finding the Fourth Proportional to 55,822.60, 83,741.16 and 18,386.50

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Solution

The fourth proportional to 55,822.60, 83,741.16 and 18,386.50 is: 27,582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,822.60 : 83,741.16 = 18,386.50 : x
  2. Step 2: Convert to fraction form
    55,822.60/83,741.16 = 18,386.50/x
  3. Step 3: Cross multiply
    55,822.60x = 83,741.16 × 18,386.50
  4. Step 4: Simplify right side
    55,822.60x = 1,539,706,838.34
  5. Step 5: Solve for x
    x = 1,539,706,838.34/55,822.60
  6. Step 6: Final answer
    x = 27,582.14

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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.