Home / 98,630.75-147,983.40-59,215.34

Finding the Fourth Proportional to 98,630.75, 147,983.40 and 59,215.34

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Solution

The fourth proportional to 98,630.75, 147,983.40 and 59,215.34 is: 88,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,630.75 : 147,983.40 = 59,215.34 : x
  2. Step 2: Convert to fraction form
    98,630.75/147,983.40 = 59,215.34/x
  3. Step 3: Cross multiply
    98,630.75x = 147,983.40 × 59,215.34
  4. Step 4: Simplify right side
    98,630.75x = 8,762,887,715.31
  5. Step 5: Solve for x
    x = 8,762,887,715.31/98,630.75
  6. Step 6: Final answer
    x = 88,845.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.