Home / 104,510.07-144,221.51-56,762.39

Finding the Fourth Proportional to 104,510.07, 144,221.51 and 56,762.39

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Solution

The fourth proportional to 104,510.07, 144,221.51 and 56,762.39 is: 78,330.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,510.07 : 144,221.51 = 56,762.39 : x
  2. Step 2: Convert to fraction form
    104,510.07/144,221.51 = 56,762.39/x
  3. Step 3: Cross multiply
    104,510.07x = 144,221.51 × 56,762.39
  4. Step 4: Simplify right side
    104,510.07x = 8,186,358,099.47
  5. Step 5: Solve for x
    x = 8,186,358,099.47/104,510.07
  6. Step 6: Final answer
    x = 78,330.81

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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.