Home / 126,510.48-174,582-69,922.08

Finding the Fourth Proportional to 126,510.48, 174,582 and 69,922.08

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Solution

The fourth proportional to 126,510.48, 174,582 and 69,922.08 is: 96,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,510.48 : 174,582 = 69,922.08 : x
  2. Step 2: Convert to fraction form
    126,510.48/174,582 = 69,922.08/x
  3. Step 3: Cross multiply
    126,510.48x = 174,582 × 69,922.08
  4. Step 4: Simplify right side
    126,510.48x = 12,207,136,570.56
  5. Step 5: Solve for x
    x = 12,207,136,570.56/126,510.48
  6. Step 6: Final answer
    x = 96,491.11

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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.