Home / 51,536.03-77,655.12-42,381.12

Finding the Fourth Proportional to 51,536.03, 77,655.12 and 42,381.12

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Solution

The fourth proportional to 51,536.03, 77,655.12 and 42,381.12 is: 63,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,536.03 : 77,655.12 = 42,381.12 : x
  2. Step 2: Convert to fraction form
    51,536.03/77,655.12 = 42,381.12/x
  3. Step 3: Cross multiply
    51,536.03x = 77,655.12 × 42,381.12
  4. Step 4: Simplify right side
    51,536.03x = 3,291,111,330.01
  5. Step 5: Solve for x
    x = 3,291,111,330.01/51,536.03
  6. Step 6: Final answer
    x = 63,860.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.