Home / 88,156.56-121,621.64-50,410.64

Finding the Fourth Proportional to 88,156.56, 121,621.64 and 50,410.64

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Solution

The fourth proportional to 88,156.56, 121,621.64 and 50,410.64 is: 69,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,156.56 : 121,621.64 = 50,410.64 : x
  2. Step 2: Convert to fraction form
    88,156.56/121,621.64 = 50,410.64/x
  3. Step 3: Cross multiply
    88,156.56x = 121,621.64 × 50,410.64
  4. Step 4: Simplify right side
    88,156.56x = 6,131,024,710.25
  5. Step 5: Solve for x
    x = 6,131,024,710.25/88,156.56
  6. Step 6: Final answer
    x = 69,547.00

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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.