Home / 90,782.64-125,271.26-52,534.60

Finding the Fourth Proportional to 90,782.64, 125,271.26 and 52,534.60

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Solution

The fourth proportional to 90,782.64, 125,271.26 and 52,534.60 is: 72,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,782.64 : 125,271.26 = 52,534.60 : x
  2. Step 2: Convert to fraction form
    90,782.64/125,271.26 = 52,534.60/x
  3. Step 3: Cross multiply
    90,782.64x = 125,271.26 × 52,534.60
  4. Step 4: Simplify right side
    90,782.64x = 6,581,074,646.57
  5. Step 5: Solve for x
    x = 6,581,074,646.57/90,782.64
  6. Step 6: Final answer
    x = 72,492.66

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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.