Home / 78,693.14-118,014.14-26,088.50

Finding the Fourth Proportional to 78,693.14, 118,014.14 and 26,088.50

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Solution

The fourth proportional to 78,693.14, 118,014.14 and 26,088.50 is: 39,124.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,693.14 : 118,014.14 = 26,088.50 : x
  2. Step 2: Convert to fraction form
    78,693.14/118,014.14 = 26,088.50/x
  3. Step 3: Cross multiply
    78,693.14x = 118,014.14 × 26,088.50
  4. Step 4: Simplify right side
    78,693.14x = 3,078,811,891.39
  5. Step 5: Solve for x
    x = 3,078,811,891.39/78,693.14
  6. Step 6: Final answer
    x = 39,124.27

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1.5x scale

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.