Home / 75,284.34-112,828.10-56,416.07

Finding the Fourth Proportional to 75,284.34, 112,828.10 and 56,416.07

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Solution

The fourth proportional to 75,284.34, 112,828.10 and 56,416.07 is: 84,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,284.34 : 112,828.10 = 56,416.07 : x
  2. Step 2: Convert to fraction form
    75,284.34/112,828.10 = 56,416.07/x
  3. Step 3: Cross multiply
    75,284.34x = 112,828.10 × 56,416.07
  4. Step 4: Simplify right side
    75,284.34x = 6,365,317,141.35
  5. Step 5: Solve for x
    x = 6,365,317,141.35/75,284.34
  6. Step 6: Final answer
    x = 84,550.35

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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.