Home / 112,460.90-155,200.20-61,477.01

Finding the Fourth Proportional to 112,460.90, 155,200.20 and 61,477.01

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Solution

The fourth proportional to 112,460.90, 155,200.20 and 61,477.01 is: 84,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,460.90 : 155,200.20 = 61,477.01 : x
  2. Step 2: Convert to fraction form
    112,460.90/155,200.20 = 61,477.01/x
  3. Step 3: Cross multiply
    112,460.90x = 155,200.20 × 61,477.01
  4. Step 4: Simplify right side
    112,460.90x = 9,541,243,471.40
  5. Step 5: Solve for x
    x = 9,541,243,471.40/112,460.90
  6. Step 6: Final answer
    x = 84,840.54

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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.