Home / 80,457.66-111,036.42-46,472.40

Finding the Fourth Proportional to 80,457.66, 111,036.42 and 46,472.40

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Solution

The fourth proportional to 80,457.66, 111,036.42 and 46,472.40 is: 64,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,457.66 : 111,036.42 = 46,472.40 : x
  2. Step 2: Convert to fraction form
    80,457.66/111,036.42 = 46,472.40/x
  3. Step 3: Cross multiply
    80,457.66x = 111,036.42 × 46,472.40
  4. Step 4: Simplify right side
    80,457.66x = 5,160,128,924.81
  5. Step 5: Solve for x
    x = 5,160,128,924.81/80,457.66
  6. Step 6: Final answer
    x = 64,134.71

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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.