Home / 98,788.57-136,328.54-53,466.55

Finding the Fourth Proportional to 98,788.57, 136,328.54 and 53,466.55

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Solution

The fourth proportional to 98,788.57, 136,328.54 and 53,466.55 is: 73,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,788.57 : 136,328.54 = 53,466.55 : x
  2. Step 2: Convert to fraction form
    98,788.57/136,328.54 = 53,466.55/x
  3. Step 3: Cross multiply
    98,788.57x = 136,328.54 × 53,466.55
  4. Step 4: Simplify right side
    98,788.57x = 7,289,016,700.34
  5. Step 5: Solve for x
    x = 7,289,016,700.34/98,788.57
  6. Step 6: Final answer
    x = 73,784.01

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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.