Home / 78,675.18-118,041.93-36,577.86

Finding the Fourth Proportional to 78,675.18, 118,041.93 and 36,577.86

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Solution

The fourth proportional to 78,675.18, 118,041.93 and 36,577.86 is: 54,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,675.18 : 118,041.93 = 36,577.86 : x
  2. Step 2: Convert to fraction form
    78,675.18/118,041.93 = 36,577.86/x
  3. Step 3: Cross multiply
    78,675.18x = 118,041.93 × 36,577.86
  4. Step 4: Simplify right side
    78,675.18x = 4,317,721,189.67
  5. Step 5: Solve for x
    x = 4,317,721,189.67/78,675.18
  6. Step 6: Final answer
    x = 54,880.35

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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.