Home / 93,155.32-128,554.32-50,714.16

Finding the Fourth Proportional to 93,155.32, 128,554.32 and 50,714.16

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Solution

The fourth proportional to 93,155.32, 128,554.32 and 50,714.16 is: 69,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,155.32 : 128,554.32 = 50,714.16 : x
  2. Step 2: Convert to fraction form
    93,155.32/128,554.32 = 50,714.16/x
  3. Step 3: Cross multiply
    93,155.32x = 128,554.32 × 50,714.16
  4. Step 4: Simplify right side
    93,155.32x = 6,519,524,353.17
  5. Step 5: Solve for x
    x = 6,519,524,353.17/93,155.32
  6. Step 6: Final answer
    x = 69,985.53

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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.