Home / 112,777.96-155,639.14-62,477.16

Finding the Fourth Proportional to 112,777.96, 155,639.14 and 62,477.16

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Solution

The fourth proportional to 112,777.96, 155,639.14 and 62,477.16 is: 86,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,777.96 : 155,639.14 = 62,477.16 : x
  2. Step 2: Convert to fraction form
    112,777.96/155,639.14 = 62,477.16/x
  3. Step 3: Cross multiply
    112,777.96x = 155,639.14 × 62,477.16
  4. Step 4: Simplify right side
    112,777.96x = 9,723,891,452.04
  5. Step 5: Solve for x
    x = 9,723,891,452.04/112,777.96
  6. Step 6: Final answer
    x = 86,221.56

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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.