Home / 58,390.18-87,690.96-53,701.79

Finding the Fourth Proportional to 58,390.18, 87,690.96 and 53,701.79

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Solution

The fourth proportional to 58,390.18, 87,690.96 and 53,701.79 is: 80,649.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,390.18 : 87,690.96 = 53,701.79 : x
  2. Step 2: Convert to fraction form
    58,390.18/87,690.96 = 53,701.79/x
  3. Step 3: Cross multiply
    58,390.18x = 87,690.96 × 53,701.79
  4. Step 4: Simplify right side
    58,390.18x = 4,709,161,518.82
  5. Step 5: Solve for x
    x = 4,709,161,518.82/58,390.18
  6. Step 6: Final answer
    x = 80,649.89

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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.