Home / 95,128.16-131,276.57-52,686.68

Finding the Fourth Proportional to 95,128.16, 131,276.57 and 52,686.68

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Solution

The fourth proportional to 95,128.16, 131,276.57 and 52,686.68 is: 72,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,128.16 : 131,276.57 = 52,686.68 : x
  2. Step 2: Convert to fraction form
    95,128.16/131,276.57 = 52,686.68/x
  3. Step 3: Cross multiply
    95,128.16x = 131,276.57 × 52,686.68
  4. Step 4: Simplify right side
    95,128.16x = 6,916,525,715.27
  5. Step 5: Solve for x
    x = 6,916,525,715.27/95,128.16
  6. Step 6: Final answer
    x = 72,707.45

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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.