Home / 92,874.48-128,168.27-52,587.16

Finding the Fourth Proportional to 92,874.48, 128,168.27 and 52,587.16

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Solution

The fourth proportional to 92,874.48, 128,168.27 and 52,587.16 is: 72,571.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,874.48 : 128,168.27 = 52,587.16 : x
  2. Step 2: Convert to fraction form
    92,874.48/128,168.27 = 52,587.16/x
  3. Step 3: Cross multiply
    92,874.48x = 128,168.27 × 52,587.16
  4. Step 4: Simplify right side
    92,874.48x = 6,740,005,321.41
  5. Step 5: Solve for x
    x = 6,740,005,321.41/92,874.48
  6. Step 6: Final answer
    x = 72,571.12

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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.