Home / 92,433.52-127,578-58,420.36

Finding the Fourth Proportional to 92,433.52, 127,578 and 58,420.36

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Solution

The fourth proportional to 92,433.52, 127,578 and 58,420.36 is: 80,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,433.52 : 127,578 = 58,420.36 : x
  2. Step 2: Convert to fraction form
    92,433.52/127,578 = 58,420.36/x
  3. Step 3: Cross multiply
    92,433.52x = 127,578 × 58,420.36
  4. Step 4: Simplify right side
    92,433.52x = 7,453,152,688.08
  5. Step 5: Solve for x
    x = 7,453,152,688.08/92,433.52
  6. Step 6: Final answer
    x = 80,632.57

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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.