Home / 123,935.42-171,030.75-67,346.66

Finding the Fourth Proportional to 123,935.42, 171,030.75 and 67,346.66

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Solution

The fourth proportional to 123,935.42, 171,030.75 and 67,346.66 is: 92,938.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,935.42 : 171,030.75 = 67,346.66 : x
  2. Step 2: Convert to fraction form
    123,935.42/171,030.75 = 67,346.66/x
  3. Step 3: Cross multiply
    123,935.42x = 171,030.75 × 67,346.66
  4. Step 4: Simplify right side
    123,935.42x = 11,518,349,769.80
  5. Step 5: Solve for x
    x = 11,518,349,769.80/123,935.42
  6. Step 6: Final answer
    x = 92,938.32

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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.