Home / 122,945.58-169,681.07-69,241.10

Finding the Fourth Proportional to 122,945.58, 169,681.07 and 69,241.10

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Solution

The fourth proportional to 122,945.58, 169,681.07 and 69,241.10 is: 95,561.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,945.58 : 169,681.07 = 69,241.10 : x
  2. Step 2: Convert to fraction form
    122,945.58/169,681.07 = 69,241.10/x
  3. Step 3: Cross multiply
    122,945.58x = 169,681.07 × 69,241.10
  4. Step 4: Simplify right side
    122,945.58x = 11,748,903,935.98
  5. Step 5: Solve for x
    x = 11,748,903,935.98/122,945.58
  6. Step 6: Final answer
    x = 95,561.82

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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.