Home / 88,440.60-121,840.44-61,536.84

Finding the Fourth Proportional to 88,440.60, 121,840.44 and 61,536.84

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Solution

The fourth proportional to 88,440.60, 121,840.44 and 61,536.84 is: 84,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,440.60 : 121,840.44 = 61,536.84 : x
  2. Step 2: Convert to fraction form
    88,440.60/121,840.44 = 61,536.84/x
  3. Step 3: Cross multiply
    88,440.60x = 121,840.44 × 61,536.84
  4. Step 4: Simplify right side
    88,440.60x = 7,497,675,661.81
  5. Step 5: Solve for x
    x = 7,497,675,661.81/88,440.60
  6. Step 6: Final answer
    x = 84,776.40

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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.