Home / 90,897.46-125,453.80-58,623

Finding the Fourth Proportional to 90,897.46, 125,453.80 and 58,623

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Solution

The fourth proportional to 90,897.46, 125,453.80 and 58,623 is: 80,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,897.46 : 125,453.80 = 58,623 : x
  2. Step 2: Convert to fraction form
    90,897.46/125,453.80 = 58,623/x
  3. Step 3: Cross multiply
    90,897.46x = 125,453.80 × 58,623
  4. Step 4: Simplify right side
    90,897.46x = 7,354,478,117.40
  5. Step 5: Solve for x
    x = 7,354,478,117.40/90,897.46
  6. Step 6: Final answer
    x = 80,909.61

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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.