Home / 94,427.26-130,312.20-51,988.40

Finding the Fourth Proportional to 94,427.26, 130,312.20 and 51,988.40

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Solution

The fourth proportional to 94,427.26, 130,312.20 and 51,988.40 is: 71,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,427.26 : 130,312.20 = 51,988.40 : x
  2. Step 2: Convert to fraction form
    94,427.26/130,312.20 = 51,988.40/x
  3. Step 3: Cross multiply
    94,427.26x = 130,312.20 × 51,988.40
  4. Step 4: Simplify right side
    94,427.26x = 6,774,722,778.48
  5. Step 5: Solve for x
    x = 6,774,722,778.48/94,427.26
  6. Step 6: Final answer
    x = 71,745.41

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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.