Home / 98,118.36-135,418.77-59,886.18

Finding the Fourth Proportional to 98,118.36, 135,418.77 and 59,886.18

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Solution

The fourth proportional to 98,118.36, 135,418.77 and 59,886.18 is: 82,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,118.36 : 135,418.77 = 59,886.18 : x
  2. Step 2: Convert to fraction form
    98,118.36/135,418.77 = 59,886.18/x
  3. Step 3: Cross multiply
    98,118.36x = 135,418.77 × 59,886.18
  4. Step 4: Simplify right side
    98,118.36x = 8,109,712,835.60
  5. Step 5: Solve for x
    x = 8,109,712,835.60/98,118.36
  6. Step 6: Final answer
    x = 82,652.35

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1.5x scale

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.