Home / 93,104.16-128,613.33-89,647.63

Finding the Fourth Proportional to 93,104.16, 128,613.33 and 89,647.63

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Solution

The fourth proportional to 93,104.16, 128,613.33 and 89,647.63 is: 123,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,104.16 : 128,613.33 = 89,647.63 : x
  2. Step 2: Convert to fraction form
    93,104.16/128,613.33 = 89,647.63/x
  3. Step 3: Cross multiply
    93,104.16x = 128,613.33 × 89,647.63
  4. Step 4: Simplify right side
    93,104.16x = 11,529,880,220.91
  5. Step 5: Solve for x
    x = 11,529,880,220.91/93,104.16
  6. Step 6: Final answer
    x = 123,838.51

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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.