Home / 88,727.51-122,458.03-56,428.46

Finding the Fourth Proportional to 88,727.51, 122,458.03 and 56,428.46

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Solution

The fourth proportional to 88,727.51, 122,458.03 and 56,428.46 is: 77,880.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,727.51 : 122,458.03 = 56,428.46 : x
  2. Step 2: Convert to fraction form
    88,727.51/122,458.03 = 56,428.46/x
  3. Step 3: Cross multiply
    88,727.51x = 122,458.03 × 56,428.46
  4. Step 4: Simplify right side
    88,727.51x = 6,910,117,667.29
  5. Step 5: Solve for x
    x = 6,910,117,667.29/88,727.51
  6. Step 6: Final answer
    x = 77,880.21

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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.