Home / 88,070.96-121,534.08-50,347.64

Finding the Fourth Proportional to 88,070.96, 121,534.08 and 50,347.64

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Solution

The fourth proportional to 88,070.96, 121,534.08 and 50,347.64 is: 69,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,070.96 : 121,534.08 = 50,347.64 : x
  2. Step 2: Convert to fraction form
    88,070.96/121,534.08 = 50,347.64/x
  3. Step 3: Cross multiply
    88,070.96x = 121,534.08 × 50,347.64
  4. Step 4: Simplify right side
    88,070.96x = 6,118,954,107.57
  5. Step 5: Solve for x
    x = 6,118,954,107.57/88,070.96
  6. Step 6: Final answer
    x = 69,477.55

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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.