Home / 98,572.98-136,030.57-56,131.52

Finding the Fourth Proportional to 98,572.98, 136,030.57 and 56,131.52

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Solution

The fourth proportional to 98,572.98, 136,030.57 and 56,131.52 is: 77,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,572.98 : 136,030.57 = 56,131.52 : x
  2. Step 2: Convert to fraction form
    98,572.98/136,030.57 = 56,131.52/x
  3. Step 3: Cross multiply
    98,572.98x = 136,030.57 × 56,131.52
  4. Step 4: Simplify right side
    98,572.98x = 7,635,602,860.31
  5. Step 5: Solve for x
    x = 7,635,602,860.31/98,572.98
  6. Step 6: Final answer
    x = 77,461.42

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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.