Home / 93,868.20-129,538.31-51,426.63

Finding the Fourth Proportional to 93,868.20, 129,538.31 and 51,426.63

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Solution

The fourth proportional to 93,868.20, 129,538.31 and 51,426.63 is: 70,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,868.20 : 129,538.31 = 51,426.63 : x
  2. Step 2: Convert to fraction form
    93,868.20/129,538.31 = 51,426.63/x
  3. Step 3: Cross multiply
    93,868.20x = 129,538.31 × 51,426.63
  4. Step 4: Simplify right side
    93,868.20x = 6,661,718,482.06
  5. Step 5: Solve for x
    x = 6,661,718,482.06/93,868.20
  6. Step 6: Final answer
    x = 70,968.85

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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.