Home / 84,499.41-116,484.95-64,321.14

Finding the Fourth Proportional to 84,499.41, 116,484.95 and 64,321.14

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Solution

The fourth proportional to 84,499.41, 116,484.95 and 64,321.14 is: 88,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,499.41 : 116,484.95 = 64,321.14 : x
  2. Step 2: Convert to fraction form
    84,499.41/116,484.95 = 64,321.14/x
  3. Step 3: Cross multiply
    84,499.41x = 116,484.95 × 64,321.14
  4. Step 4: Simplify right side
    84,499.41x = 7,492,444,776.84
  5. Step 5: Solve for x
    x = 7,492,444,776.84/84,499.41
  6. Step 6: Final answer
    x = 88,668.60

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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.