Home / 93,126.16-128,514.10-50,685

Finding the Fourth Proportional to 93,126.16, 128,514.10 and 50,685

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Solution

The fourth proportional to 93,126.16, 128,514.10 and 50,685 is: 69,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,126.16 : 128,514.10 = 50,685 : x
  2. Step 2: Convert to fraction form
    93,126.16/128,514.10 = 50,685/x
  3. Step 3: Cross multiply
    93,126.16x = 128,514.10 × 50,685
  4. Step 4: Simplify right side
    93,126.16x = 6,513,737,158.50
  5. Step 5: Solve for x
    x = 6,513,737,158.50/93,126.16
  6. Step 6: Final answer
    x = 69,945.30

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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.