Home / 112,078.18-154,666.90-61,090.92

Finding the Fourth Proportional to 112,078.18, 154,666.90 and 61,090.92

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Solution

The fourth proportional to 112,078.18, 154,666.90 and 61,090.92 is: 84,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,078.18 : 154,666.90 = 61,090.92 : x
  2. Step 2: Convert to fraction form
    112,078.18/154,666.90 = 61,090.92/x
  3. Step 3: Cross multiply
    112,078.18x = 154,666.90 × 61,090.92
  4. Step 4: Simplify right side
    112,078.18x = 9,448,743,214.55
  5. Step 5: Solve for x
    x = 9,448,743,214.55/112,078.18
  6. Step 6: Final answer
    x = 84,304.93

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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.