Home / 98,762.12-136,291.34-53,440.19

Finding the Fourth Proportional to 98,762.12, 136,291.34 and 53,440.19

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Solution

The fourth proportional to 98,762.12, 136,291.34 and 53,440.19 is: 73,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,762.12 : 136,291.34 = 53,440.19 : x
  2. Step 2: Convert to fraction form
    98,762.12/136,291.34 = 53,440.19/x
  3. Step 3: Cross multiply
    98,762.12x = 136,291.34 × 53,440.19
  4. Step 4: Simplify right side
    98,762.12x = 7,283,434,156.30
  5. Step 5: Solve for x
    x = 7,283,434,156.30/98,762.12
  6. Step 6: Final answer
    x = 73,747.25

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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.