Home / 90,833.04-125,335.62-56,825.10

Finding the Fourth Proportional to 90,833.04, 125,335.62 and 56,825.10

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Solution

The fourth proportional to 90,833.04, 125,335.62 and 56,825.10 is: 78,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,833.04 : 125,335.62 = 56,825.10 : x
  2. Step 2: Convert to fraction form
    90,833.04/125,335.62 = 56,825.10/x
  3. Step 3: Cross multiply
    90,833.04x = 125,335.62 × 56,825.10
  4. Step 4: Simplify right side
    90,833.04x = 7,122,209,140.06
  5. Step 5: Solve for x
    x = 7,122,209,140.06/90,833.04
  6. Step 6: Final answer
    x = 78,409.90

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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.