Home / 112,077.56-154,666.04-61,090.28

Finding the Fourth Proportional to 112,077.56, 154,666.04 and 61,090.28

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Solution

The fourth proportional to 112,077.56, 154,666.04 and 61,090.28 is: 84,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,077.56 : 154,666.04 = 61,090.28 : x
  2. Step 2: Convert to fraction form
    112,077.56/154,666.04 = 61,090.28/x
  3. Step 3: Cross multiply
    112,077.56x = 154,666.04 × 61,090.28
  4. Step 4: Simplify right side
    112,077.56x = 9,448,592,404.94
  5. Step 5: Solve for x
    x = 9,448,592,404.94/112,077.56
  6. Step 6: Final answer
    x = 84,304.05

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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.