Home / 88,126.07-121,614.08-50,400.32

Finding the Fourth Proportional to 88,126.07, 121,614.08 and 50,400.32

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Solution

The fourth proportional to 88,126.07, 121,614.08 and 50,400.32 is: 69,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,126.07 : 121,614.08 = 50,400.32 : x
  2. Step 2: Convert to fraction form
    88,126.07/121,614.08 = 50,400.32/x
  3. Step 3: Cross multiply
    88,126.07x = 121,614.08 × 50,400.32
  4. Step 4: Simplify right side
    88,126.07x = 6,129,387,688.43
  5. Step 5: Solve for x
    x = 6,129,387,688.43/88,126.07
  6. Step 6: Final answer
    x = 69,552.49

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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.