Home / 74,588.39-102,968.64-58,426.91

Finding the Fourth Proportional to 74,588.39, 102,968.64 and 58,426.91

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Solution

The fourth proportional to 74,588.39, 102,968.64 and 58,426.91 is: 80,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,588.39 : 102,968.64 = 58,426.91 : x
  2. Step 2: Convert to fraction form
    74,588.39/102,968.64 = 58,426.91/x
  3. Step 3: Cross multiply
    74,588.39x = 102,968.64 × 58,426.91
  4. Step 4: Simplify right side
    74,588.39x = 6,016,139,719.52
  5. Step 5: Solve for x
    x = 6,016,139,719.52/74,588.39
  6. Step 6: Final answer
    x = 80,657.86

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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.