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Finding the Fourth Proportional to 65,391.70, 97,828.35 and 56,722.90

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Solution

The fourth proportional to 65,391.70, 97,828.35 and 56,722.90 is: 84,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,391.70 : 97,828.35 = 56,722.90 : x
  2. Step 2: Convert to fraction form
    65,391.70/97,828.35 = 56,722.90/x
  3. Step 3: Cross multiply
    65,391.70x = 97,828.35 × 56,722.90
  4. Step 4: Simplify right side
    65,391.70x = 5,549,107,714.22
  5. Step 5: Solve for x
    x = 5,549,107,714.22/65,391.70
  6. Step 6: Final answer
    x = 84,859.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.