Home / 126,130.08-174,060.72-69,543.52

Finding the Fourth Proportional to 126,130.08, 174,060.72 and 69,543.52

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Solution

The fourth proportional to 126,130.08, 174,060.72 and 69,543.52 is: 95,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,130.08 : 174,060.72 = 69,543.52 : x
  2. Step 2: Convert to fraction form
    126,130.08/174,060.72 = 69,543.52/x
  3. Step 3: Cross multiply
    126,130.08x = 174,060.72 × 69,543.52
  4. Step 4: Simplify right side
    126,130.08x = 12,104,795,162.53
  5. Step 5: Solve for x
    x = 12,104,795,162.53/126,130.08
  6. Step 6: Final answer
    x = 95,970.72

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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.