Home / 93,117.78-128,503.19-50,677.22

Finding the Fourth Proportional to 93,117.78, 128,503.19 and 50,677.22

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Solution

The fourth proportional to 93,117.78, 128,503.19 and 50,677.22 is: 69,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,117.78 : 128,503.19 = 50,677.22 : x
  2. Step 2: Convert to fraction form
    93,117.78/128,503.19 = 50,677.22/x
  3. Step 3: Cross multiply
    93,117.78x = 128,503.19 × 50,677.22
  4. Step 4: Simplify right side
    93,117.78x = 6,512,184,878.28
  5. Step 5: Solve for x
    x = 6,512,184,878.28/93,117.78
  6. Step 6: Final answer
    x = 69,934.92

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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.