Home / 52,459.84-78,646.02-26,128.36

Finding the Fourth Proportional to 52,459.84, 78,646.02 and 26,128.36

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Solution

The fourth proportional to 52,459.84, 78,646.02 and 26,128.36 is: 39,170.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,459.84 : 78,646.02 = 26,128.36 : x
  2. Step 2: Convert to fraction form
    52,459.84/78,646.02 = 26,128.36/x
  3. Step 3: Cross multiply
    52,459.84x = 78,646.02 × 26,128.36
  4. Step 4: Simplify right side
    52,459.84x = 2,054,891,523.13
  5. Step 5: Solve for x
    x = 2,054,891,523.13/52,459.84
  6. Step 6: Final answer
    x = 39,170.75

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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.