Home / 123,585.84-170,549.64-66,998.16

Finding the Fourth Proportional to 123,585.84, 170,549.64 and 66,998.16

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Solution

The fourth proportional to 123,585.84, 170,549.64 and 66,998.16 is: 92,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,585.84 : 170,549.64 = 66,998.16 : x
  2. Step 2: Convert to fraction form
    123,585.84/170,549.64 = 66,998.16/x
  3. Step 3: Cross multiply
    123,585.84x = 170,549.64 × 66,998.16
  4. Step 4: Simplify right side
    123,585.84x = 11,426,512,068.66
  5. Step 5: Solve for x
    x = 11,426,512,068.66/123,585.84
  6. Step 6: Final answer
    x = 92,458.10

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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.