Home / 56,009.48-77,186.75-40,066.25

Finding the Fourth Proportional to 56,009.48, 77,186.75 and 40,066.25

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Solution

The fourth proportional to 56,009.48, 77,186.75 and 40,066.25 is: 55,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,009.48 : 77,186.75 = 40,066.25 : x
  2. Step 2: Convert to fraction form
    56,009.48/77,186.75 = 40,066.25/x
  3. Step 3: Cross multiply
    56,009.48x = 77,186.75 × 40,066.25
  4. Step 4: Simplify right side
    56,009.48x = 3,092,583,035.92
  5. Step 5: Solve for x
    x = 3,092,583,035.92/56,009.48
  6. Step 6: Final answer
    x = 55,215.35

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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.