Home / 53,257.86-79,762.24-42,089.58

Finding the Fourth Proportional to 53,257.86, 79,762.24 and 42,089.58

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Solution

The fourth proportional to 53,257.86, 79,762.24 and 42,089.58 is: 63,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,257.86 : 79,762.24 = 42,089.58 : x
  2. Step 2: Convert to fraction form
    53,257.86/79,762.24 = 42,089.58/x
  3. Step 3: Cross multiply
    53,257.86x = 79,762.24 × 42,089.58
  4. Step 4: Simplify right side
    53,257.86x = 3,357,159,181.46
  5. Step 5: Solve for x
    x = 3,357,159,181.46/53,257.86
  6. Step 6: Final answer
    x = 63,035.94

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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.