Home / 93,120.04-128,501.67-50,678.47

Finding the Fourth Proportional to 93,120.04, 128,501.67 and 50,678.47

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Solution

The fourth proportional to 93,120.04, 128,501.67 and 50,678.47 is: 69,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,120.04 : 128,501.67 = 50,678.47 : x
  2. Step 2: Convert to fraction form
    93,120.04/128,501.67 = 50,678.47/x
  3. Step 3: Cross multiply
    93,120.04x = 128,501.67 × 50,678.47
  4. Step 4: Simplify right side
    93,120.04x = 6,512,268,028.04
  5. Step 5: Solve for x
    x = 6,512,268,028.04/93,120.04
  6. Step 6: Final answer
    x = 69,934.12

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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.