Home / 102,935.84-142,053.98-57,613.44

Finding the Fourth Proportional to 102,935.84, 142,053.98 and 57,613.44

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Solution

The fourth proportional to 102,935.84, 142,053.98 and 57,613.44 is: 79,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,935.84 : 142,053.98 = 57,613.44 : x
  2. Step 2: Convert to fraction form
    102,935.84/142,053.98 = 57,613.44/x
  3. Step 3: Cross multiply
    102,935.84x = 142,053.98 × 57,613.44
  4. Step 4: Simplify right side
    102,935.84x = 8,184,218,453.49
  5. Step 5: Solve for x
    x = 8,184,218,453.49/102,935.84
  6. Step 6: Final answer
    x = 79,507.96

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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.