Home / 104,658.06-144,430.86-56,914.20

Finding the Fourth Proportional to 104,658.06, 144,430.86 and 56,914.20

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Solution

The fourth proportional to 104,658.06, 144,430.86 and 56,914.20 is: 78,543.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,658.06 : 144,430.86 = 56,914.20 : x
  2. Step 2: Convert to fraction form
    104,658.06/144,430.86 = 56,914.20/x
  3. Step 3: Cross multiply
    104,658.06x = 144,430.86 × 56,914.20
  4. Step 4: Simplify right side
    104,658.06x = 8,220,166,852.21
  5. Step 5: Solve for x
    x = 8,220,166,852.21/104,658.06
  6. Step 6: Final answer
    x = 78,543.08

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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.