Home / 78,946.08-118,465.80-29,061.24

Finding the Fourth Proportional to 78,946.08, 118,465.80 and 29,061.24

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Solution

The fourth proportional to 78,946.08, 118,465.80 and 29,061.24 is: 43,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,946.08 : 118,465.80 = 29,061.24 : x
  2. Step 2: Convert to fraction form
    78,946.08/118,465.80 = 29,061.24/x
  3. Step 3: Cross multiply
    78,946.08x = 118,465.80 × 29,061.24
  4. Step 4: Simplify right side
    78,946.08x = 3,442,763,045.59
  5. Step 5: Solve for x
    x = 3,442,763,045.59/78,946.08
  6. Step 6: Final answer
    x = 43,609.04

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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.