Home / 66,256.34-99,385.23-19,510.10

Finding the Fourth Proportional to 66,256.34, 99,385.23 and 19,510.10

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Solution

The fourth proportional to 66,256.34, 99,385.23 and 19,510.10 is: 29,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,256.34 : 99,385.23 = 19,510.10 : x
  2. Step 2: Convert to fraction form
    66,256.34/99,385.23 = 19,510.10/x
  3. Step 3: Cross multiply
    66,256.34x = 99,385.23 × 19,510.10
  4. Step 4: Simplify right side
    66,256.34x = 1,939,015,775.82
  5. Step 5: Solve for x
    x = 1,939,015,775.82/66,256.34
  6. Step 6: Final answer
    x = 29,265.36

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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.