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Finding the Fourth Proportional to 79,483.84, 119,294.10 and 46,157.59

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Solution

The fourth proportional to 79,483.84, 119,294.10 and 46,157.59 is: 69,276.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,483.84 : 119,294.10 = 46,157.59 : x
  2. Step 2: Convert to fraction form
    79,483.84/119,294.10 = 46,157.59/x
  3. Step 3: Cross multiply
    79,483.84x = 119,294.10 × 46,157.59
  4. Step 4: Simplify right side
    79,483.84x = 5,506,328,157.22
  5. Step 5: Solve for x
    x = 5,506,328,157.22/79,483.84
  6. Step 6: Final answer
    x = 69,276.07

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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.