Home / 90,547.38-125,029.98-58,770.54

Finding the Fourth Proportional to 90,547.38, 125,029.98 and 58,770.54

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Solution

The fourth proportional to 90,547.38, 125,029.98 and 58,770.54 is: 81,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,547.38 : 125,029.98 = 58,770.54 : x
  2. Step 2: Convert to fraction form
    90,547.38/125,029.98 = 58,770.54/x
  3. Step 3: Cross multiply
    90,547.38x = 125,029.98 × 58,770.54
  4. Step 4: Simplify right side
    90,547.38x = 7,348,079,440.79
  5. Step 5: Solve for x
    x = 7,348,079,440.79/90,547.38
  6. Step 6: Final answer
    x = 81,151.76

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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.