Home / 112,698.38-155,528.62-62,397.38

Finding the Fourth Proportional to 112,698.38, 155,528.62 and 62,397.38

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Solution

The fourth proportional to 112,698.38, 155,528.62 and 62,397.38 is: 86,111.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,698.38 : 155,528.62 = 62,397.38 : x
  2. Step 2: Convert to fraction form
    112,698.38/155,528.62 = 62,397.38/x
  3. Step 3: Cross multiply
    112,698.38x = 155,528.62 × 62,397.38
  4. Step 4: Simplify right side
    112,698.38x = 9,704,578,403.02
  5. Step 5: Solve for x
    x = 9,704,578,403.02/112,698.38
  6. Step 6: Final answer
    x = 86,111.07

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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.