Home / 93,019.16-128,360.76-50,577.32

Finding the Fourth Proportional to 93,019.16, 128,360.76 and 50,577.32

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Solution

The fourth proportional to 93,019.16, 128,360.76 and 50,577.32 is: 69,793.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,019.16 : 128,360.76 = 50,577.32 : x
  2. Step 2: Convert to fraction form
    93,019.16/128,360.76 = 50,577.32/x
  3. Step 3: Cross multiply
    93,019.16x = 128,360.76 × 50,577.32
  4. Step 4: Simplify right side
    93,019.16x = 6,492,143,233.96
  5. Step 5: Solve for x
    x = 6,492,143,233.96/93,019.16
  6. Step 6: Final answer
    x = 69,793.61

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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.