Home / 88,106.56-121,587.12-47,820.32

Finding the Fourth Proportional to 88,106.56, 121,587.12 and 47,820.32

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Solution

The fourth proportional to 88,106.56, 121,587.12 and 47,820.32 is: 65,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,106.56 : 121,587.12 = 47,820.32 : x
  2. Step 2: Convert to fraction form
    88,106.56/121,587.12 = 47,820.32/x
  3. Step 3: Cross multiply
    88,106.56x = 121,587.12 × 47,820.32
  4. Step 4: Simplify right side
    88,106.56x = 5,814,334,986.28
  5. Step 5: Solve for x
    x = 5,814,334,986.28/88,106.56
  6. Step 6: Final answer
    x = 65,992.08

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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.