Home / 105,580.36-145,695.72-57,833.92

Finding the Fourth Proportional to 105,580.36, 145,695.72 and 57,833.92

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Solution

The fourth proportional to 105,580.36, 145,695.72 and 57,833.92 is: 79,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,580.36 : 145,695.72 = 57,833.92 : x
  2. Step 2: Convert to fraction form
    105,580.36/145,695.72 = 57,833.92/x
  3. Step 3: Cross multiply
    105,580.36x = 145,695.72 × 57,833.92
  4. Step 4: Simplify right side
    105,580.36x = 8,426,154,614.82
  5. Step 5: Solve for x
    x = 8,426,154,614.82/105,580.36
  6. Step 6: Final answer
    x = 79,807.97

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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.