Home / 96,920.16-133,792.08-56,618.64

Finding the Fourth Proportional to 96,920.16, 133,792.08 and 56,618.64

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Solution

The fourth proportional to 96,920.16, 133,792.08 and 56,618.64 is: 78,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,920.16 : 133,792.08 = 56,618.64 : x
  2. Step 2: Convert to fraction form
    96,920.16/133,792.08 = 56,618.64/x
  3. Step 3: Cross multiply
    96,920.16x = 133,792.08 × 56,618.64
  4. Step 4: Simplify right side
    96,920.16x = 7,575,125,612.37
  5. Step 5: Solve for x
    x = 7,575,125,612.37/96,920.16
  6. Step 6: Final answer
    x = 78,158.41

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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.