Home / 98,587.79-136,051.20-53,265.76

Finding the Fourth Proportional to 98,587.79, 136,051.20 and 53,265.76

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Solution

The fourth proportional to 98,587.79, 136,051.20 and 53,265.76 is: 73,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,587.79 : 136,051.20 = 53,265.76 : x
  2. Step 2: Convert to fraction form
    98,587.79/136,051.20 = 53,265.76/x
  3. Step 3: Cross multiply
    98,587.79x = 136,051.20 × 53,265.76
  4. Step 4: Simplify right side
    98,587.79x = 7,246,870,226.78
  5. Step 5: Solve for x
    x = 7,246,870,226.78/98,587.79
  6. Step 6: Final answer
    x = 73,506.78

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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.