Home / 93,011.06-128,354.61-50,569.58

Finding the Fourth Proportional to 93,011.06, 128,354.61 and 50,569.58

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Solution

The fourth proportional to 93,011.06, 128,354.61 and 50,569.58 is: 69,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,011.06 : 128,354.61 = 50,569.58 : x
  2. Step 2: Convert to fraction form
    93,011.06/128,354.61 = 50,569.58/x
  3. Step 3: Cross multiply
    93,011.06x = 128,354.61 × 50,569.58
  4. Step 4: Simplify right side
    93,011.06x = 6,490,838,076.99
  5. Step 5: Solve for x
    x = 6,490,838,076.99/93,011.06
  6. Step 6: Final answer
    x = 69,785.66

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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.