Home / 93,870.45-129,541.41-51,428.88

Finding the Fourth Proportional to 93,870.45, 129,541.41 and 51,428.88

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Solution

The fourth proportional to 93,870.45, 129,541.41 and 51,428.88 is: 70,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,870.45 : 129,541.41 = 51,428.88 : x
  2. Step 2: Convert to fraction form
    93,870.45/129,541.41 = 51,428.88/x
  3. Step 3: Cross multiply
    93,870.45x = 129,541.41 × 51,428.88
  4. Step 4: Simplify right side
    93,870.45x = 6,662,169,629.92
  5. Step 5: Solve for x
    x = 6,662,169,629.92/93,870.45
  6. Step 6: Final answer
    x = 70,971.96

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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.