Home / 90,989.86-125,566.29-52,756.90

Finding the Fourth Proportional to 90,989.86, 125,566.29 and 52,756.90

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Solution

The fourth proportional to 90,989.86, 125,566.29 and 52,756.90 is: 72,804.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,989.86 : 125,566.29 = 52,756.90 : x
  2. Step 2: Convert to fraction form
    90,989.86/125,566.29 = 52,756.90/x
  3. Step 3: Cross multiply
    90,989.86x = 125,566.29 × 52,756.90
  4. Step 4: Simplify right side
    90,989.86x = 6,624,488,204.90
  5. Step 5: Solve for x
    x = 6,624,488,204.90/90,989.86
  6. Step 6: Final answer
    x = 72,804.69

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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.