Home / 92,671.44-127,880.28-52,386.72

Finding the Fourth Proportional to 92,671.44, 127,880.28 and 52,386.72

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Solution

The fourth proportional to 92,671.44, 127,880.28 and 52,386.72 is: 72,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,671.44 : 127,880.28 = 52,386.72 : x
  2. Step 2: Convert to fraction form
    92,671.44/127,880.28 = 52,386.72/x
  3. Step 3: Cross multiply
    92,671.44x = 127,880.28 × 52,386.72
  4. Step 4: Simplify right side
    92,671.44x = 6,699,228,421.88
  5. Step 5: Solve for x
    x = 6,699,228,421.88/92,671.44
  6. Step 6: Final answer
    x = 72,290.11

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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.