Home / 114,030.32-157,357.20-63,039.81

Finding the Fourth Proportional to 114,030.32, 157,357.20 and 63,039.81

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Solution

The fourth proportional to 114,030.32, 157,357.20 and 63,039.81 is: 86,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,030.32 : 157,357.20 = 63,039.81 : x
  2. Step 2: Convert to fraction form
    114,030.32/157,357.20 = 63,039.81/x
  3. Step 3: Cross multiply
    114,030.32x = 157,357.20 × 63,039.81
  4. Step 4: Simplify right side
    114,030.32x = 9,919,767,990.13
  5. Step 5: Solve for x
    x = 9,919,767,990.13/114,030.32
  6. Step 6: Final answer
    x = 86,992.37

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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.