Home / 64,830.84-97,246.36-42,742.86

Finding the Fourth Proportional to 64,830.84, 97,246.36 and 42,742.86

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Solution

The fourth proportional to 64,830.84, 97,246.36 and 42,742.86 is: 64,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,830.84 : 97,246.36 = 42,742.86 : x
  2. Step 2: Convert to fraction form
    64,830.84/97,246.36 = 42,742.86/x
  3. Step 3: Cross multiply
    64,830.84x = 97,246.36 × 42,742.86
  4. Step 4: Simplify right side
    64,830.84x = 4,156,587,550.99
  5. Step 5: Solve for x
    x = 4,156,587,550.99/64,830.84
  6. Step 6: Final answer
    x = 64,114.36

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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.