Home / 104,395.12-144,064.02-56,648.08

Finding the Fourth Proportional to 104,395.12, 144,064.02 and 56,648.08

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Solution

The fourth proportional to 104,395.12, 144,064.02 and 56,648.08 is: 78,173.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,395.12 : 144,064.02 = 56,648.08 : x
  2. Step 2: Convert to fraction form
    104,395.12/144,064.02 = 56,648.08/x
  3. Step 3: Cross multiply
    104,395.12x = 144,064.02 × 56,648.08
  4. Step 4: Simplify right side
    104,395.12x = 8,160,950,130.08
  5. Step 5: Solve for x
    x = 8,160,950,130.08/104,395.12
  6. Step 6: Final answer
    x = 78,173.67

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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.