Home / 86,204.93-129,366.86-30,045.51

Finding the Fourth Proportional to 86,204.93, 129,366.86 and 30,045.51

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Solution

The fourth proportional to 86,204.93, 129,366.86 and 30,045.51 is: 45,088.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,204.93 : 129,366.86 = 30,045.51 : x
  2. Step 2: Convert to fraction form
    86,204.93/129,366.86 = 30,045.51/x
  3. Step 3: Cross multiply
    86,204.93x = 129,366.86 × 30,045.51
  4. Step 4: Simplify right side
    86,204.93x = 3,886,892,898.48
  5. Step 5: Solve for x
    x = 3,886,892,898.48/86,204.93
  6. Step 6: Final answer
    x = 45,088.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.