Home / 84,389.18-116,459.10-48,089.86

Finding the Fourth Proportional to 84,389.18, 116,459.10 and 48,089.86

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Solution

The fourth proportional to 84,389.18, 116,459.10 and 48,089.86 is: 66,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,389.18 : 116,459.10 = 48,089.86 : x
  2. Step 2: Convert to fraction form
    84,389.18/116,459.10 = 48,089.86/x
  3. Step 3: Cross multiply
    84,389.18x = 116,459.10 × 48,089.86
  4. Step 4: Simplify right side
    84,389.18x = 5,600,501,814.73
  5. Step 5: Solve for x
    x = 5,600,501,814.73/84,389.18
  6. Step 6: Final answer
    x = 66,365.16

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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.