Home / 92,884.38-128,219.69-62,710.58

Finding the Fourth Proportional to 92,884.38, 128,219.69 and 62,710.58

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Solution

The fourth proportional to 92,884.38, 128,219.69 and 62,710.58 is: 86,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,884.38 : 128,219.69 = 62,710.58 : x
  2. Step 2: Convert to fraction form
    92,884.38/128,219.69 = 62,710.58/x
  3. Step 3: Cross multiply
    92,884.38x = 128,219.69 × 62,710.58
  4. Step 4: Simplify right side
    92,884.38x = 8,040,731,127.32
  5. Step 5: Solve for x
    x = 8,040,731,127.32/92,884.38
  6. Step 6: Final answer
    x = 86,567.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.