Home / 86,283.84-129,417.26-27,117.93

Finding the Fourth Proportional to 86,283.84, 129,417.26 and 27,117.93

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Solution

The fourth proportional to 86,283.84, 129,417.26 and 27,117.93 is: 40,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,283.84 : 129,417.26 = 27,117.93 : x
  2. Step 2: Convert to fraction form
    86,283.84/129,417.26 = 27,117.93/x
  3. Step 3: Cross multiply
    86,283.84x = 129,417.26 × 27,117.93
  4. Step 4: Simplify right side
    86,283.84x = 3,509,528,061.88
  5. Step 5: Solve for x
    x = 3,509,528,061.88/86,283.84
  6. Step 6: Final answer
    x = 40,674.22

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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.