Home / 88,668.42-122,373.12-64,783.14

Finding the Fourth Proportional to 88,668.42, 122,373.12 and 64,783.14

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Solution

The fourth proportional to 88,668.42, 122,373.12 and 64,783.14 is: 89,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,668.42 : 122,373.12 = 64,783.14 : x
  2. Step 2: Convert to fraction form
    88,668.42/122,373.12 = 64,783.14/x
  3. Step 3: Cross multiply
    88,668.42x = 122,373.12 × 64,783.14
  4. Step 4: Simplify right side
    88,668.42x = 7,927,714,965.20
  5. Step 5: Solve for x
    x = 7,927,714,965.20/88,668.42
  6. Step 6: Final answer
    x = 89,408.55

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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.