Home / 92,749.10-128,012.87-52,464.56

Finding the Fourth Proportional to 92,749.10, 128,012.87 and 52,464.56

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Solution

The fourth proportional to 92,749.10, 128,012.87 and 52,464.56 is: 72,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,749.10 : 128,012.87 = 52,464.56 : x
  2. Step 2: Convert to fraction form
    92,749.10/128,012.87 = 52,464.56/x
  3. Step 3: Cross multiply
    92,749.10x = 128,012.87 × 52,464.56
  4. Step 4: Simplify right side
    92,749.10x = 6,716,138,389.98
  5. Step 5: Solve for x
    x = 6,716,138,389.98/92,749.10
  6. Step 6: Final answer
    x = 72,411.90

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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.