Home / 93,648.25-129,217.76-55,388.74

Finding the Fourth Proportional to 93,648.25, 129,217.76 and 55,388.74

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Solution

The fourth proportional to 93,648.25, 129,217.76 and 55,388.74 is: 76,426.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,648.25 : 129,217.76 = 55,388.74 : x
  2. Step 2: Convert to fraction form
    93,648.25/129,217.76 = 55,388.74/x
  3. Step 3: Cross multiply
    93,648.25x = 129,217.76 × 55,388.74
  4. Step 4: Simplify right side
    93,648.25x = 7,157,208,242.82
  5. Step 5: Solve for x
    x = 7,157,208,242.82/93,648.25
  6. Step 6: Final answer
    x = 76,426.50

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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.