Home / 78,984.27-118,482.51-26,393.94

Finding the Fourth Proportional to 78,984.27, 118,482.51 and 26,393.94

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Solution

The fourth proportional to 78,984.27, 118,482.51 and 26,393.94 is: 39,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,984.27 : 118,482.51 = 26,393.94 : x
  2. Step 2: Convert to fraction form
    78,984.27/118,482.51 = 26,393.94/x
  3. Step 3: Cross multiply
    78,984.27x = 118,482.51 × 26,393.94
  4. Step 4: Simplify right side
    78,984.27x = 3,127,220,259.99
  5. Step 5: Solve for x
    x = 3,127,220,259.99/78,984.27
  6. Step 6: Final answer
    x = 39,592.95

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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.