Home / 65,734.30-98,601.45-28,312.30

Finding the Fourth Proportional to 65,734.30, 98,601.45 and 28,312.30

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Solution

The fourth proportional to 65,734.30, 98,601.45 and 28,312.30 is: 42,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,734.30 : 98,601.45 = 28,312.30 : x
  2. Step 2: Convert to fraction form
    65,734.30/98,601.45 = 28,312.30/x
  3. Step 3: Cross multiply
    65,734.30x = 98,601.45 × 28,312.30
  4. Step 4: Simplify right side
    65,734.30x = 2,791,633,832.84
  5. Step 5: Solve for x
    x = 2,791,633,832.84/65,734.30
  6. Step 6: Final answer
    x = 42,468.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.