Home / 61,193.16-84,415.14-40,810.32

Finding the Fourth Proportional to 61,193.16, 84,415.14 and 40,810.32

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Solution

The fourth proportional to 61,193.16, 84,415.14 and 40,810.32 is: 56,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,193.16 : 84,415.14 = 40,810.32 : x
  2. Step 2: Convert to fraction form
    61,193.16/84,415.14 = 40,810.32/x
  3. Step 3: Cross multiply
    61,193.16x = 84,415.14 × 40,810.32
  4. Step 4: Simplify right side
    61,193.16x = 3,445,008,876.24
  5. Step 5: Solve for x
    x = 3,445,008,876.24/61,193.16
  6. Step 6: Final answer
    x = 56,297.29

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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.