Home / 93,509.33-129,009.65-55,260.77

Finding the Fourth Proportional to 93,509.33, 129,009.65 and 55,260.77

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Solution

The fourth proportional to 93,509.33, 129,009.65 and 55,260.77 is: 76,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,509.33 : 129,009.65 = 55,260.77 : x
  2. Step 2: Convert to fraction form
    93,509.33/129,009.65 = 55,260.77/x
  3. Step 3: Cross multiply
    93,509.33x = 129,009.65 × 55,260.77
  4. Step 4: Simplify right side
    93,509.33x = 7,129,172,320.13
  5. Step 5: Solve for x
    x = 7,129,172,320.13/93,509.33
  6. Step 6: Final answer
    x = 76,240.22

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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.