Home / 105,127.56-145,078.26-59,804.04

Finding the Fourth Proportional to 105,127.56, 145,078.26 and 59,804.04

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Solution

The fourth proportional to 105,127.56, 145,078.26 and 59,804.04 is: 82,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,127.56 : 145,078.26 = 59,804.04 : x
  2. Step 2: Convert to fraction form
    105,127.56/145,078.26 = 59,804.04/x
  3. Step 3: Cross multiply
    105,127.56x = 145,078.26 × 59,804.04
  4. Step 4: Simplify right side
    105,127.56x = 8,676,266,064.17
  5. Step 5: Solve for x
    x = 8,676,266,064.17/105,127.56
  6. Step 6: Final answer
    x = 82,530.84

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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.