Home / 92,877.57-128,172.77-52,591.21

Finding the Fourth Proportional to 92,877.57, 128,172.77 and 52,591.21

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Solution

The fourth proportional to 92,877.57, 128,172.77 and 52,591.21 is: 72,576.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,877.57 : 128,172.77 = 52,591.21 : x
  2. Step 2: Convert to fraction form
    92,877.57/128,172.77 = 52,591.21/x
  3. Step 3: Cross multiply
    92,877.57x = 128,172.77 × 52,591.21
  4. Step 4: Simplify right side
    92,877.57x = 6,740,760,159.53
  5. Step 5: Solve for x
    x = 6,740,760,159.53/92,877.57
  6. Step 6: Final answer
    x = 72,576.84

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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.