Home / 92,881.51-128,175.33-50,440.34

Finding the Fourth Proportional to 92,881.51, 128,175.33 and 50,440.34

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Solution

The fourth proportional to 92,881.51, 128,175.33 and 50,440.34 is: 69,607.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,881.51 : 128,175.33 = 50,440.34 : x
  2. Step 2: Convert to fraction form
    92,881.51/128,175.33 = 50,440.34/x
  3. Step 3: Cross multiply
    92,881.51x = 128,175.33 × 50,440.34
  4. Step 4: Simplify right side
    92,881.51x = 6,465,207,224.81
  5. Step 5: Solve for x
    x = 6,465,207,224.81/92,881.51
  6. Step 6: Final answer
    x = 69,607.04

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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.