Home / 81,742.59-112,792.23-45,925.74

Finding the Fourth Proportional to 81,742.59, 112,792.23 and 45,925.74

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Solution

The fourth proportional to 81,742.59, 112,792.23 and 45,925.74 is: 63,370.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,742.59 : 112,792.23 = 45,925.74 : x
  2. Step 2: Convert to fraction form
    81,742.59/112,792.23 = 45,925.74/x
  3. Step 3: Cross multiply
    81,742.59x = 112,792.23 × 45,925.74
  4. Step 4: Simplify right side
    81,742.59x = 5,180,066,629.00
  5. Step 5: Solve for x
    x = 5,180,066,629.00/81,742.59
  6. Step 6: Final answer
    x = 63,370.47

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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.