Home / 93,745.64-129,369.20-51,306.90

Finding the Fourth Proportional to 93,745.64, 129,369.20 and 51,306.90

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Solution

The fourth proportional to 93,745.64, 129,369.20 and 51,306.90 is: 70,803.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,745.64 : 129,369.20 = 51,306.90 : x
  2. Step 2: Convert to fraction form
    93,745.64/129,369.20 = 51,306.90/x
  3. Step 3: Cross multiply
    93,745.64x = 129,369.20 × 51,306.90
  4. Step 4: Simplify right side
    93,745.64x = 6,637,532,350.95
  5. Step 5: Solve for x
    x = 6,637,532,350.95/93,745.64
  6. Step 6: Final answer
    x = 70,803.64

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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.