Home / 88,027.44-121,477.20-47,740.32

Finding the Fourth Proportional to 88,027.44, 121,477.20 and 47,740.32

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Solution

The fourth proportional to 88,027.44, 121,477.20 and 47,740.32 is: 65,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,027.44 : 121,477.20 = 47,740.32 : x
  2. Step 2: Convert to fraction form
    88,027.44/121,477.20 = 47,740.32/x
  3. Step 3: Cross multiply
    88,027.44x = 121,477.20 × 47,740.32
  4. Step 4: Simplify right side
    88,027.44x = 5,799,360,400.70
  5. Step 5: Solve for x
    x = 5,799,360,400.70/88,027.44
  6. Step 6: Final answer
    x = 65,881.28

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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.