Home / 93,280.38-128,726.70-50,838.84

Finding the Fourth Proportional to 93,280.38, 128,726.70 and 50,838.84

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Solution

The fourth proportional to 93,280.38, 128,726.70 and 50,838.84 is: 70,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,280.38 : 128,726.70 = 50,838.84 : x
  2. Step 2: Convert to fraction form
    93,280.38/128,726.70 = 50,838.84/x
  3. Step 3: Cross multiply
    93,280.38x = 128,726.70 × 50,838.84
  4. Step 4: Simplify right side
    93,280.38x = 6,544,316,105.03
  5. Step 5: Solve for x
    x = 6,544,316,105.03/93,280.38
  6. Step 6: Final answer
    x = 70,157.48

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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.