Home / 77,928.40-116,818.62-25,301.08

Finding the Fourth Proportional to 77,928.40, 116,818.62 and 25,301.08

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Solution

The fourth proportional to 77,928.40, 116,818.62 and 25,301.08 is: 37,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,928.40 : 116,818.62 = 25,301.08 : x
  2. Step 2: Convert to fraction form
    77,928.40/116,818.62 = 25,301.08/x
  3. Step 3: Cross multiply
    77,928.40x = 116,818.62 × 25,301.08
  4. Step 4: Simplify right side
    77,928.40x = 2,955,637,250.11
  5. Step 5: Solve for x
    x = 2,955,637,250.11/77,928.40
  6. Step 6: Final answer
    x = 37,927.60

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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.