Home / 98,567.63-136,023.21-53,245.60

Finding the Fourth Proportional to 98,567.63, 136,023.21 and 53,245.60

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Solution

The fourth proportional to 98,567.63, 136,023.21 and 53,245.60 is: 73,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,567.63 : 136,023.21 = 53,245.60 : x
  2. Step 2: Convert to fraction form
    98,567.63/136,023.21 = 53,245.60/x
  3. Step 3: Cross multiply
    98,567.63x = 136,023.21 × 53,245.60
  4. Step 4: Simplify right side
    98,567.63x = 7,242,637,430.38
  5. Step 5: Solve for x
    x = 7,242,637,430.38/98,567.63
  6. Step 6: Final answer
    x = 73,478.86

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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.