Home / 93,214.24-128,635.92-55,488.16

Finding the Fourth Proportional to 93,214.24, 128,635.92 and 55,488.16

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Solution

The fourth proportional to 93,214.24, 128,635.92 and 55,488.16 is: 76,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,214.24 : 128,635.92 = 55,488.16 : x
  2. Step 2: Convert to fraction form
    93,214.24/128,635.92 = 55,488.16/x
  3. Step 3: Cross multiply
    93,214.24x = 128,635.92 × 55,488.16
  4. Step 4: Simplify right side
    93,214.24x = 7,137,770,510.71
  5. Step 5: Solve for x
    x = 7,137,770,510.71/93,214.24
  6. Step 6: Final answer
    x = 76,573.82

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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.