Home / 55,875.14-83,830.20-18,461.49

Finding the Fourth Proportional to 55,875.14, 83,830.20 and 18,461.49

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Solution

The fourth proportional to 55,875.14, 83,830.20 and 18,461.49 is: 27,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,875.14 : 83,830.20 = 18,461.49 : x
  2. Step 2: Convert to fraction form
    55,875.14/83,830.20 = 18,461.49/x
  3. Step 3: Cross multiply
    55,875.14x = 83,830.20 × 18,461.49
  4. Step 4: Simplify right side
    55,875.14x = 1,547,630,306.69
  5. Step 5: Solve for x
    x = 1,547,630,306.69/55,875.14
  6. Step 6: Final answer
    x = 27,698.01

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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.