Home / 62,886.16-94,309.20-20,758.40

Finding the Fourth Proportional to 62,886.16, 94,309.20 and 20,758.40

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Solution

The fourth proportional to 62,886.16, 94,309.20 and 20,758.40 is: 31,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,886.16 : 94,309.20 = 20,758.40 : x
  2. Step 2: Convert to fraction form
    62,886.16/94,309.20 = 20,758.40/x
  3. Step 3: Cross multiply
    62,886.16x = 94,309.20 × 20,758.40
  4. Step 4: Simplify right side
    62,886.16x = 1,957,708,097.28
  5. Step 5: Solve for x
    x = 1,957,708,097.28/62,886.16
  6. Step 6: Final answer
    x = 31,130.98

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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.