Home / 75,823.08-104,645.70-43,985.22

Finding the Fourth Proportional to 75,823.08, 104,645.70 and 43,985.22

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Solution

The fourth proportional to 75,823.08, 104,645.70 and 43,985.22 is: 60,705.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,823.08 : 104,645.70 = 43,985.22 : x
  2. Step 2: Convert to fraction form
    75,823.08/104,645.70 = 43,985.22/x
  3. Step 3: Cross multiply
    75,823.08x = 104,645.70 × 43,985.22
  4. Step 4: Simplify right side
    75,823.08x = 4,602,864,136.55
  5. Step 5: Solve for x
    x = 4,602,864,136.55/75,823.08
  6. Step 6: Final answer
    x = 60,705.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.