Home / 90,673.32-136,009.82-34,500.08

Finding the Fourth Proportional to 90,673.32, 136,009.82 and 34,500.08

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Solution

The fourth proportional to 90,673.32, 136,009.82 and 34,500.08 is: 51,750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,673.32 : 136,009.82 = 34,500.08 : x
  2. Step 2: Convert to fraction form
    90,673.32/136,009.82 = 34,500.08/x
  3. Step 3: Cross multiply
    90,673.32x = 136,009.82 × 34,500.08
  4. Step 4: Simplify right side
    90,673.32x = 4,692,349,670.79
  5. Step 5: Solve for x
    x = 4,692,349,670.79/90,673.32
  6. Step 6: Final answer
    x = 51,750.06

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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.