Home / 90,894.48-125,430.71-50,607.11

Finding the Fourth Proportional to 90,894.48, 125,430.71 and 50,607.11

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Solution

The fourth proportional to 90,894.48, 125,430.71 and 50,607.11 is: 69,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,894.48 : 125,430.71 = 50,607.11 : x
  2. Step 2: Convert to fraction form
    90,894.48/125,430.71 = 50,607.11/x
  3. Step 3: Cross multiply
    90,894.48x = 125,430.71 × 50,607.11
  4. Step 4: Simplify right side
    90,894.48x = 6,347,684,858.16
  5. Step 5: Solve for x
    x = 6,347,684,858.16/90,894.48
  6. Step 6: Final answer
    x = 69,835.76

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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.