Home / 98,555.49-136,006.71-56,114.04

Finding the Fourth Proportional to 98,555.49, 136,006.71 and 56,114.04

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Solution

The fourth proportional to 98,555.49, 136,006.71 and 56,114.04 is: 77,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,555.49 : 136,006.71 = 56,114.04 : x
  2. Step 2: Convert to fraction form
    98,555.49/136,006.71 = 56,114.04/x
  3. Step 3: Cross multiply
    98,555.49x = 136,006.71 × 56,114.04
  4. Step 4: Simplify right side
    98,555.49x = 7,631,885,965.21
  5. Step 5: Solve for x
    x = 7,631,885,965.21/98,555.49
  6. Step 6: Final answer
    x = 77,437.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.