Home / 98,004.20-147,005.82-64,716.35

Finding the Fourth Proportional to 98,004.20, 147,005.82 and 64,716.35

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Solution

The fourth proportional to 98,004.20, 147,005.82 and 64,716.35 is: 97,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,004.20 : 147,005.82 = 64,716.35 : x
  2. Step 2: Convert to fraction form
    98,004.20/147,005.82 = 64,716.35/x
  3. Step 3: Cross multiply
    98,004.20x = 147,005.82 × 64,716.35
  4. Step 4: Simplify right side
    98,004.20x = 9,513,679,364.13
  5. Step 5: Solve for x
    x = 9,513,679,364.13/98,004.20
  6. Step 6: Final answer
    x = 97,074.21

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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.