Home / 93,309.48-128,769.08-50,868.32

Finding the Fourth Proportional to 93,309.48, 128,769.08 and 50,868.32

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Solution

The fourth proportional to 93,309.48, 128,769.08 and 50,868.32 is: 70,199.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,309.48 : 128,769.08 = 50,868.32 : x
  2. Step 2: Convert to fraction form
    93,309.48/128,769.08 = 50,868.32/x
  3. Step 3: Cross multiply
    93,309.48x = 128,769.08 × 50,868.32
  4. Step 4: Simplify right side
    93,309.48x = 6,550,265,869.36
  5. Step 5: Solve for x
    x = 6,550,265,869.36/93,309.48
  6. Step 6: Final answer
    x = 70,199.36

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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.