Home / 92,973.21-128,303.88-50,531.84

Finding the Fourth Proportional to 92,973.21, 128,303.88 and 50,531.84

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Solution

The fourth proportional to 92,973.21, 128,303.88 and 50,531.84 is: 69,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,973.21 : 128,303.88 = 50,531.84 : x
  2. Step 2: Convert to fraction form
    92,973.21/128,303.88 = 50,531.84/x
  3. Step 3: Cross multiply
    92,973.21x = 128,303.88 × 50,531.84
  4. Step 4: Simplify right side
    92,973.21x = 6,483,431,266.80
  5. Step 5: Solve for x
    x = 6,483,431,266.80/92,973.21
  6. Step 6: Final answer
    x = 69,734.40

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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.