Home / 74,088.48-111,020.47-49,038.79

Finding the Fourth Proportional to 74,088.48, 111,020.47 and 49,038.79

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Solution

The fourth proportional to 74,088.48, 111,020.47 and 49,038.79 is: 73,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,088.48 : 111,020.47 = 49,038.79 : x
  2. Step 2: Convert to fraction form
    74,088.48/111,020.47 = 49,038.79/x
  3. Step 3: Cross multiply
    74,088.48x = 111,020.47 × 49,038.79
  4. Step 4: Simplify right side
    74,088.48x = 5,444,309,514.03
  5. Step 5: Solve for x
    x = 5,444,309,514.03/74,088.48
  6. Step 6: Final answer
    x = 73,483.89

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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.