Home / 90,744.56-125,209.05-53,011.52

Finding the Fourth Proportional to 90,744.56, 125,209.05 and 53,011.52

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Solution

The fourth proportional to 90,744.56, 125,209.05 and 53,011.52 is: 73,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,744.56 : 125,209.05 = 53,011.52 : x
  2. Step 2: Convert to fraction form
    90,744.56/125,209.05 = 53,011.52/x
  3. Step 3: Cross multiply
    90,744.56x = 125,209.05 × 53,011.52
  4. Step 4: Simplify right side
    90,744.56x = 6,637,522,058.26
  5. Step 5: Solve for x
    x = 6,637,522,058.26/90,744.56
  6. Step 6: Final answer
    x = 73,145.12

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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.