Home / 83,851.84-125,666.64-61,561.04

Finding the Fourth Proportional to 83,851.84, 125,666.64 and 61,561.04

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Solution

The fourth proportional to 83,851.84, 125,666.64 and 61,561.04 is: 92,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,851.84 : 125,666.64 = 61,561.04 : x
  2. Step 2: Convert to fraction form
    83,851.84/125,666.64 = 61,561.04/x
  3. Step 3: Cross multiply
    83,851.84x = 125,666.64 × 61,561.04
  4. Step 4: Simplify right side
    83,851.84x = 7,736,169,051.71
  5. Step 5: Solve for x
    x = 7,736,169,051.71/83,851.84
  6. Step 6: Final answer
    x = 92,259.98

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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.