Home / 66,256.75-99,364.06-21,875.23

Finding the Fourth Proportional to 66,256.75, 99,364.06 and 21,875.23

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Solution

The fourth proportional to 66,256.75, 99,364.06 and 21,875.23 is: 32,805.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,256.75 : 99,364.06 = 21,875.23 : x
  2. Step 2: Convert to fraction form
    66,256.75/99,364.06 = 21,875.23/x
  3. Step 3: Cross multiply
    66,256.75x = 99,364.06 × 21,875.23
  4. Step 4: Simplify right side
    66,256.75x = 2,173,611,445.17
  5. Step 5: Solve for x
    x = 2,173,611,445.17/66,256.75
  6. Step 6: Final answer
    x = 32,805.89

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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.