Home / 93,320.64-128,785.14-50,881.50

Finding the Fourth Proportional to 93,320.64, 128,785.14 and 50,881.50

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Solution

The fourth proportional to 93,320.64, 128,785.14 and 50,881.50 is: 70,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,320.64 : 128,785.14 = 50,881.50 : x
  2. Step 2: Convert to fraction form
    93,320.64/128,785.14 = 50,881.50/x
  3. Step 3: Cross multiply
    93,320.64x = 128,785.14 × 50,881.50
  4. Step 4: Simplify right side
    93,320.64x = 6,552,781,100.91
  5. Step 5: Solve for x
    x = 6,552,781,100.91/93,320.64
  6. Step 6: Final answer
    x = 70,217.92

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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.