Home / 93,247.07-128,680.88-50,805.61

Finding the Fourth Proportional to 93,247.07, 128,680.88 and 50,805.61

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Solution

The fourth proportional to 93,247.07, 128,680.88 and 50,805.61 is: 70,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,247.07 : 128,680.88 = 50,805.61 : x
  2. Step 2: Convert to fraction form
    93,247.07/128,680.88 = 50,805.61/x
  3. Step 3: Cross multiply
    93,247.07x = 128,680.88 × 50,805.61
  4. Step 4: Simplify right side
    93,247.07x = 6,537,710,028.01
  5. Step 5: Solve for x
    x = 6,537,710,028.01/93,247.07
  6. Step 6: Final answer
    x = 70,111.70

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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.