Home / 92,815.64-128,085.52-52,528.66

Finding the Fourth Proportional to 92,815.64, 128,085.52 and 52,528.66

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Solution

The fourth proportional to 92,815.64, 128,085.52 and 52,528.66 is: 72,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,815.64 : 128,085.52 = 52,528.66 : x
  2. Step 2: Convert to fraction form
    92,815.64/128,085.52 = 52,528.66/x
  3. Step 3: Cross multiply
    92,815.64x = 128,085.52 × 52,528.66
  4. Step 4: Simplify right side
    92,815.64x = 6,728,160,731.00
  5. Step 5: Solve for x
    x = 6,728,160,731.00/92,815.64
  6. Step 6: Final answer
    x = 72,489.52

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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.