Home / 93,156.32-128,555.70-50,715.16

Finding the Fourth Proportional to 93,156.32, 128,555.70 and 50,715.16

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Solution

The fourth proportional to 93,156.32, 128,555.70 and 50,715.16 is: 69,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,156.32 : 128,555.70 = 50,715.16 : x
  2. Step 2: Convert to fraction form
    93,156.32/128,555.70 = 50,715.16/x
  3. Step 3: Cross multiply
    93,156.32x = 128,555.70 × 50,715.16
  4. Step 4: Simplify right side
    93,156.32x = 6,519,722,894.41
  5. Step 5: Solve for x
    x = 6,519,722,894.41/93,156.32
  6. Step 6: Final answer
    x = 69,986.91

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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.