Home / 78,973.08-118,442.15-22,800.96

Finding the Fourth Proportional to 78,973.08, 118,442.15 and 22,800.96

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Solution

The fourth proportional to 78,973.08, 118,442.15 and 22,800.96 is: 34,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,973.08 : 118,442.15 = 22,800.96 : x
  2. Step 2: Convert to fraction form
    78,973.08/118,442.15 = 22,800.96/x
  3. Step 3: Cross multiply
    78,973.08x = 118,442.15 × 22,800.96
  4. Step 4: Simplify right side
    78,973.08x = 2,700,594,695.96
  5. Step 5: Solve for x
    x = 2,700,594,695.96/78,973.08
  6. Step 6: Final answer
    x = 34,196.40

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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.