Home / 93,140.32-128,533.65-50,699.14

Finding the Fourth Proportional to 93,140.32, 128,533.65 and 50,699.14

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Solution

The fourth proportional to 93,140.32, 128,533.65 and 50,699.14 is: 69,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,140.32 : 128,533.65 = 50,699.14 : x
  2. Step 2: Convert to fraction form
    93,140.32/128,533.65 = 50,699.14/x
  3. Step 3: Cross multiply
    93,140.32x = 128,533.65 × 50,699.14
  4. Step 4: Simplify right side
    93,140.32x = 6,516,545,516.06
  5. Step 5: Solve for x
    x = 6,516,545,516.06/93,140.32
  6. Step 6: Final answer
    x = 69,964.82

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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.