Home / 104,172.48-143,750.54-61,153.72

Finding the Fourth Proportional to 104,172.48, 143,750.54 and 61,153.72

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Solution

The fourth proportional to 104,172.48, 143,750.54 and 61,153.72 is: 84,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,172.48 : 143,750.54 = 61,153.72 : x
  2. Step 2: Convert to fraction form
    104,172.48/143,750.54 = 61,153.72/x
  3. Step 3: Cross multiply
    104,172.48x = 143,750.54 × 61,153.72
  4. Step 4: Simplify right side
    104,172.48x = 8,790,880,066.52
  5. Step 5: Solve for x
    x = 8,790,880,066.52/104,172.48
  6. Step 6: Final answer
    x = 84,387.74

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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.