Home / 56,823.14-78,416.98-31,669.94

Finding the Fourth Proportional to 56,823.14, 78,416.98 and 31,669.94

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Solution

The fourth proportional to 56,823.14, 78,416.98 and 31,669.94 is: 43,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,823.14 : 78,416.98 = 31,669.94 : x
  2. Step 2: Convert to fraction form
    56,823.14/78,416.98 = 31,669.94/x
  3. Step 3: Cross multiply
    56,823.14x = 78,416.98 × 31,669.94
  4. Step 4: Simplify right side
    56,823.14x = 2,483,461,051.58
  5. Step 5: Solve for x
    x = 2,483,461,051.58/56,823.14
  6. Step 6: Final answer
    x = 43,705.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.