Home / 90,798.48-125,282.16-53,055.36

Finding the Fourth Proportional to 90,798.48, 125,282.16 and 53,055.36

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Solution

The fourth proportional to 90,798.48, 125,282.16 and 53,055.36 is: 73,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,798.48 : 125,282.16 = 53,055.36 : x
  2. Step 2: Convert to fraction form
    90,798.48/125,282.16 = 53,055.36/x
  3. Step 3: Cross multiply
    90,798.48x = 125,282.16 × 53,055.36
  4. Step 4: Simplify right side
    90,798.48x = 6,646,890,100.38
  5. Step 5: Solve for x
    x = 6,646,890,100.38/90,798.48
  6. Step 6: Final answer
    x = 73,204.86

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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.