Home / 86,743.40-130,115.10-44,623.40

Finding the Fourth Proportional to 86,743.40, 130,115.10 and 44,623.40

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Solution

The fourth proportional to 86,743.40, 130,115.10 and 44,623.40 is: 66,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,743.40 : 130,115.10 = 44,623.40 : x
  2. Step 2: Convert to fraction form
    86,743.40/130,115.10 = 44,623.40/x
  3. Step 3: Cross multiply
    86,743.40x = 130,115.10 × 44,623.40
  4. Step 4: Simplify right side
    86,743.40x = 5,806,178,153.34
  5. Step 5: Solve for x
    x = 5,806,178,153.34/86,743.40
  6. Step 6: Final answer
    x = 66,935.10

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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.