Home / 90,803.90-125,324.64-52,564.46

Finding the Fourth Proportional to 90,803.90, 125,324.64 and 52,564.46

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Solution

The fourth proportional to 90,803.90, 125,324.64 and 52,564.46 is: 72,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,803.90 : 125,324.64 = 52,564.46 : x
  2. Step 2: Convert to fraction form
    90,803.90/125,324.64 = 52,564.46/x
  3. Step 3: Cross multiply
    90,803.90x = 125,324.64 × 52,564.46
  4. Step 4: Simplify right side
    90,803.90x = 6,587,622,026.29
  5. Step 5: Solve for x
    x = 6,587,622,026.29/90,803.90
  6. Step 6: Final answer
    x = 72,547.79

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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.