Home / 98,486.07-135,909.93-56,046.93

Finding the Fourth Proportional to 98,486.07, 135,909.93 and 56,046.93

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Solution

The fourth proportional to 98,486.07, 135,909.93 and 56,046.93 is: 77,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,486.07 : 135,909.93 = 56,046.93 : x
  2. Step 2: Convert to fraction form
    98,486.07/135,909.93 = 56,046.93/x
  3. Step 3: Cross multiply
    98,486.07x = 135,909.93 × 56,046.93
  4. Step 4: Simplify right side
    98,486.07x = 7,617,334,333.01
  5. Step 5: Solve for x
    x = 7,617,334,333.01/98,486.07
  6. Step 6: Final answer
    x = 77,344.28

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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.