Home / 99,045.47-136,668.30-56,595.80

Finding the Fourth Proportional to 99,045.47, 136,668.30 and 56,595.80

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Solution

The fourth proportional to 99,045.47, 136,668.30 and 56,595.80 is: 78,093.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,045.47 : 136,668.30 = 56,595.80 : x
  2. Step 2: Convert to fraction form
    99,045.47/136,668.30 = 56,595.80/x
  3. Step 3: Cross multiply
    99,045.47x = 136,668.30 × 56,595.80
  4. Step 4: Simplify right side
    99,045.47x = 7,734,851,089.80
  5. Step 5: Solve for x
    x = 7,734,851,089.80/99,045.47
  6. Step 6: Final answer
    x = 78,093.94

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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.