Home / 79,890.83-119,827.40-28,597.46

Finding the Fourth Proportional to 79,890.83, 119,827.40 and 28,597.46

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Solution

The fourth proportional to 79,890.83, 119,827.40 and 28,597.46 is: 42,893.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,890.83 : 119,827.40 = 28,597.46 : x
  2. Step 2: Convert to fraction form
    79,890.83/119,827.40 = 28,597.46/x
  3. Step 3: Cross multiply
    79,890.83x = 119,827.40 × 28,597.46
  4. Step 4: Simplify right side
    79,890.83x = 3,426,759,130.13
  5. Step 5: Solve for x
    x = 3,426,759,130.13/79,890.83
  6. Step 6: Final answer
    x = 42,893.02

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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.