Home / 93,945.18-129,643.56-51,503.61

Finding the Fourth Proportional to 93,945.18, 129,643.56 and 51,503.61

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Solution

The fourth proportional to 93,945.18, 129,643.56 and 51,503.61 is: 71,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,945.18 : 129,643.56 = 51,503.61 : x
  2. Step 2: Convert to fraction form
    93,945.18/129,643.56 = 51,503.61/x
  3. Step 3: Cross multiply
    93,945.18x = 129,643.56 × 51,503.61
  4. Step 4: Simplify right side
    93,945.18x = 6,677,111,353.25
  5. Step 5: Solve for x
    x = 6,677,111,353.25/93,945.18
  6. Step 6: Final answer
    x = 71,074.55

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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.