Home / 89,625.47-134,521.29-45,283.46

Finding the Fourth Proportional to 89,625.47, 134,521.29 and 45,283.46

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Solution

The fourth proportional to 89,625.47, 134,521.29 and 45,283.46 is: 67,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,625.47 : 134,521.29 = 45,283.46 : x
  2. Step 2: Convert to fraction form
    89,625.47/134,521.29 = 45,283.46/x
  3. Step 3: Cross multiply
    89,625.47x = 134,521.29 × 45,283.46
  4. Step 4: Simplify right side
    89,625.47x = 6,091,588,782.26
  5. Step 5: Solve for x
    x = 6,091,588,782.26/89,625.47
  6. Step 6: Final answer
    x = 67,967.17

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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.