Home / 90,011.25-124,215.53-52,287.93

Finding the Fourth Proportional to 90,011.25, 124,215.53 and 52,287.93

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Solution

The fourth proportional to 90,011.25, 124,215.53 and 52,287.93 is: 72,157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,011.25 : 124,215.53 = 52,287.93 : x
  2. Step 2: Convert to fraction form
    90,011.25/124,215.53 = 52,287.93/x
  3. Step 3: Cross multiply
    90,011.25x = 124,215.53 × 52,287.93
  4. Step 4: Simplify right side
    90,011.25x = 6,494,972,676.11
  5. Step 5: Solve for x
    x = 6,494,972,676.11/90,011.25
  6. Step 6: Final answer
    x = 72,157.34

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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.