Home / 81,473.03-112,426.54-45,656.11

Finding the Fourth Proportional to 81,473.03, 112,426.54 and 45,656.11

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Solution

The fourth proportional to 81,473.03, 112,426.54 and 45,656.11 is: 63,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,473.03 : 112,426.54 = 45,656.11 : x
  2. Step 2: Convert to fraction form
    81,473.03/112,426.54 = 45,656.11/x
  3. Step 3: Cross multiply
    81,473.03x = 112,426.54 × 45,656.11
  4. Step 4: Simplify right side
    81,473.03x = 5,132,958,477.16
  5. Step 5: Solve for x
    x = 5,132,958,477.16/81,473.03
  6. Step 6: Final answer
    x = 63,001.93

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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.