Home / 78,701.10-118,051.65-41,246.70

Finding the Fourth Proportional to 78,701.10, 118,051.65 and 41,246.70

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Solution

The fourth proportional to 78,701.10, 118,051.65 and 41,246.70 is: 61,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,701.10 : 118,051.65 = 41,246.70 : x
  2. Step 2: Convert to fraction form
    78,701.10/118,051.65 = 41,246.70/x
  3. Step 3: Cross multiply
    78,701.10x = 118,051.65 × 41,246.70
  4. Step 4: Simplify right side
    78,701.10x = 4,869,240,992.06
  5. Step 5: Solve for x
    x = 4,869,240,992.06/78,701.10
  6. Step 6: Final answer
    x = 61,870.05

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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.