Home / 93,803.13-129,449.75-51,365.61

Finding the Fourth Proportional to 93,803.13, 129,449.75 and 51,365.61

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Solution

The fourth proportional to 93,803.13, 129,449.75 and 51,365.61 is: 70,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,803.13 : 129,449.75 = 51,365.61 : x
  2. Step 2: Convert to fraction form
    93,803.13/129,449.75 = 51,365.61/x
  3. Step 3: Cross multiply
    93,803.13x = 129,449.75 × 51,365.61
  4. Step 4: Simplify right side
    93,803.13x = 6,649,265,116.27
  5. Step 5: Solve for x
    x = 6,649,265,116.27/93,803.13
  6. Step 6: Final answer
    x = 70,885.32

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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.