Home / 98,852.12-136,415.98-53,530.12

Finding the Fourth Proportional to 98,852.12, 136,415.98 and 53,530.12

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Solution

The fourth proportional to 98,852.12, 136,415.98 and 53,530.12 is: 73,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,852.12 : 136,415.98 = 53,530.12 : x
  2. Step 2: Convert to fraction form
    98,852.12/136,415.98 = 53,530.12/x
  3. Step 3: Cross multiply
    98,852.12x = 136,415.98 × 53,530.12
  4. Step 4: Simplify right side
    98,852.12x = 7,302,363,779.32
  5. Step 5: Solve for x
    x = 7,302,363,779.32/98,852.12
  6. Step 6: Final answer
    x = 73,871.60

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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.