Home / 98,782.22-136,319.46-53,460.20

Finding the Fourth Proportional to 98,782.22, 136,319.46 and 53,460.20

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Solution

The fourth proportional to 98,782.22, 136,319.46 and 53,460.20 is: 73,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,782.22 : 136,319.46 = 53,460.20 : x
  2. Step 2: Convert to fraction form
    98,782.22/136,319.46 = 53,460.20/x
  3. Step 3: Cross multiply
    98,782.22x = 136,319.46 × 53,460.20
  4. Step 4: Simplify right side
    98,782.22x = 7,287,665,595.49
  5. Step 5: Solve for x
    x = 7,287,665,595.49/98,782.22
  6. Step 6: Final answer
    x = 73,775.07

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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.