Home / 88,830.09-122,591.34-50,077.47

Finding the Fourth Proportional to 88,830.09, 122,591.34 and 50,077.47

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Solution

The fourth proportional to 88,830.09, 122,591.34 and 50,077.47 is: 69,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,830.09 : 122,591.34 = 50,077.47 : x
  2. Step 2: Convert to fraction form
    88,830.09/122,591.34 = 50,077.47/x
  3. Step 3: Cross multiply
    88,830.09x = 122,591.34 × 50,077.47
  4. Step 4: Simplify right side
    88,830.09x = 6,139,064,151.11
  5. Step 5: Solve for x
    x = 6,139,064,151.11/88,830.09
  6. Step 6: Final answer
    x = 69,110.19

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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.