Home / 112,026.19-154,525.51-66,670.30

Finding the Fourth Proportional to 112,026.19, 154,525.51 and 66,670.30

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Solution

The fourth proportional to 112,026.19, 154,525.51 and 66,670.30 is: 91,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,026.19 : 154,525.51 = 66,670.30 : x
  2. Step 2: Convert to fraction form
    112,026.19/154,525.51 = 66,670.30/x
  3. Step 3: Cross multiply
    112,026.19x = 154,525.51 × 66,670.30
  4. Step 4: Simplify right side
    112,026.19x = 10,302,261,776.00
  5. Step 5: Solve for x
    x = 10,302,261,776.00/112,026.19
  6. Step 6: Final answer
    x = 91,962.98

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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.