Home / 88,106.04-121,587.26-47,820.15

Finding the Fourth Proportional to 88,106.04, 121,587.26 and 47,820.15

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Solution

The fourth proportional to 88,106.04, 121,587.26 and 47,820.15 is: 65,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,106.04 : 121,587.26 = 47,820.15 : x
  2. Step 2: Convert to fraction form
    88,106.04/121,587.26 = 47,820.15/x
  3. Step 3: Cross multiply
    88,106.04x = 121,587.26 × 47,820.15
  4. Step 4: Simplify right side
    88,106.04x = 5,814,320,772.19
  5. Step 5: Solve for x
    x = 5,814,320,772.19/88,106.04
  6. Step 6: Final answer
    x = 65,992.31

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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.