Home / 93,865.92-129,536-51,423.36

Finding the Fourth Proportional to 93,865.92, 129,536 and 51,423.36

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Solution

The fourth proportional to 93,865.92, 129,536 and 51,423.36 is: 70,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,865.92 : 129,536 = 51,423.36 : x
  2. Step 2: Convert to fraction form
    93,865.92/129,536 = 51,423.36/x
  3. Step 3: Cross multiply
    93,865.92x = 129,536 × 51,423.36
  4. Step 4: Simplify right side
    93,865.92x = 6,661,176,360.96
  5. Step 5: Solve for x
    x = 6,661,176,360.96/93,865.92
  6. Step 6: Final answer
    x = 70,964.80

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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.