Home / 98,930.96-136,518.23-63,117.15

Finding the Fourth Proportional to 98,930.96, 136,518.23 and 63,117.15

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Solution

The fourth proportional to 98,930.96, 136,518.23 and 63,117.15 is: 87,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,930.96 : 136,518.23 = 63,117.15 : x
  2. Step 2: Convert to fraction form
    98,930.96/136,518.23 = 63,117.15/x
  3. Step 3: Cross multiply
    98,930.96x = 136,518.23 × 63,117.15
  4. Step 4: Simplify right side
    98,930.96x = 8,616,641,285.06
  5. Step 5: Solve for x
    x = 8,616,641,285.06/98,930.96
  6. Step 6: Final answer
    x = 87,097.52

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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.