Home / 79,088.36-118,657.44-34,752.40

Finding the Fourth Proportional to 79,088.36, 118,657.44 and 34,752.40

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Solution

The fourth proportional to 79,088.36, 118,657.44 and 34,752.40 is: 52,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,088.36 : 118,657.44 = 34,752.40 : x
  2. Step 2: Convert to fraction form
    79,088.36/118,657.44 = 34,752.40/x
  3. Step 3: Cross multiply
    79,088.36x = 118,657.44 × 34,752.40
  4. Step 4: Simplify right side
    79,088.36x = 4,123,630,817.86
  5. Step 5: Solve for x
    x = 4,123,630,817.86/79,088.36
  6. Step 6: Final answer
    x = 52,139.54

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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.