Home / 93,210.36-128,586.31-63,006.22

Finding the Fourth Proportional to 93,210.36, 128,586.31 and 63,006.22

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Solution

The fourth proportional to 93,210.36, 128,586.31 and 63,006.22 is: 86,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,210.36 : 128,586.31 = 63,006.22 : x
  2. Step 2: Convert to fraction form
    93,210.36/128,586.31 = 63,006.22/x
  3. Step 3: Cross multiply
    93,210.36x = 128,586.31 × 63,006.22
  4. Step 4: Simplify right side
    93,210.36x = 8,101,737,336.85
  5. Step 5: Solve for x
    x = 8,101,737,336.85/93,210.36
  6. Step 6: Final answer
    x = 86,918.85

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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.