Home / 90,597.36-135,852.08-37,992.72

Finding the Fourth Proportional to 90,597.36, 135,852.08 and 37,992.72

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Solution

The fourth proportional to 90,597.36, 135,852.08 and 37,992.72 is: 56,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,597.36 : 135,852.08 = 37,992.72 : x
  2. Step 2: Convert to fraction form
    90,597.36/135,852.08 = 37,992.72/x
  3. Step 3: Cross multiply
    90,597.36x = 135,852.08 × 37,992.72
  4. Step 4: Simplify right side
    90,597.36x = 5,161,390,036.86
  5. Step 5: Solve for x
    x = 5,161,390,036.86/90,597.36
  6. Step 6: Final answer
    x = 56,970.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.