Home / 104,281.50-144,027.27-70,689.18

Finding the Fourth Proportional to 104,281.50, 144,027.27 and 70,689.18

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Solution

The fourth proportional to 104,281.50, 144,027.27 and 70,689.18 is: 97,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,281.50 : 144,027.27 = 70,689.18 : x
  2. Step 2: Convert to fraction form
    104,281.50/144,027.27 = 70,689.18/x
  3. Step 3: Cross multiply
    104,281.50x = 144,027.27 × 70,689.18
  4. Step 4: Simplify right side
    104,281.50x = 10,181,169,613.94
  5. Step 5: Solve for x
    x = 10,181,169,613.94/104,281.50
  6. Step 6: Final answer
    x = 97,631.60

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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.