Home / 78,954.18-118,431.27-32,210.70

Finding the Fourth Proportional to 78,954.18, 118,431.27 and 32,210.70

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Solution

The fourth proportional to 78,954.18, 118,431.27 and 32,210.70 is: 48,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,954.18 : 118,431.27 = 32,210.70 : x
  2. Step 2: Convert to fraction form
    78,954.18/118,431.27 = 32,210.70/x
  3. Step 3: Cross multiply
    78,954.18x = 118,431.27 × 32,210.70
  4. Step 4: Simplify right side
    78,954.18x = 3,814,754,108.59
  5. Step 5: Solve for x
    x = 3,814,754,108.59/78,954.18
  6. Step 6: Final answer
    x = 48,316.05

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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.