Home / 92,315.12-127,390.20-52,038.32

Finding the Fourth Proportional to 92,315.12, 127,390.20 and 52,038.32

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Solution

The fourth proportional to 92,315.12, 127,390.20 and 52,038.32 is: 71,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,315.12 : 127,390.20 = 52,038.32 : x
  2. Step 2: Convert to fraction form
    92,315.12/127,390.20 = 52,038.32/x
  3. Step 3: Cross multiply
    92,315.12x = 127,390.20 × 52,038.32
  4. Step 4: Simplify right side
    92,315.12x = 6,629,171,992.46
  5. Step 5: Solve for x
    x = 6,629,171,992.46/92,315.12
  6. Step 6: Final answer
    x = 71,810.25

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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.