Home / 93,729.63-129,346.88-51,288.16

Finding the Fourth Proportional to 93,729.63, 129,346.88 and 51,288.16

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Solution

The fourth proportional to 93,729.63, 129,346.88 and 51,288.16 is: 70,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,729.63 : 129,346.88 = 51,288.16 : x
  2. Step 2: Convert to fraction form
    93,729.63/129,346.88 = 51,288.16/x
  3. Step 3: Cross multiply
    93,729.63x = 129,346.88 × 51,288.16
  4. Step 4: Simplify right side
    93,729.63x = 6,633,963,476.94
  5. Step 5: Solve for x
    x = 6,633,963,476.94/93,729.63
  6. Step 6: Final answer
    x = 70,777.66

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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.