Home / 96,478.08-133,143.88-56,185.34

Finding the Fourth Proportional to 96,478.08, 133,143.88 and 56,185.34

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Solution

The fourth proportional to 96,478.08, 133,143.88 and 56,185.34 is: 77,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,478.08 : 133,143.88 = 56,185.34 : x
  2. Step 2: Convert to fraction form
    96,478.08/133,143.88 = 56,185.34/x
  3. Step 3: Cross multiply
    96,478.08x = 133,143.88 × 56,185.34
  4. Step 4: Simplify right side
    96,478.08x = 7,480,733,360.54
  5. Step 5: Solve for x
    x = 7,480,733,360.54/96,478.08
  6. Step 6: Final answer
    x = 77,538.17

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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.