Home / 108,829.86-163,280.07-53,386.98

Finding the Fourth Proportional to 108,829.86, 163,280.07 and 53,386.98

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Solution

The fourth proportional to 108,829.86, 163,280.07 and 53,386.98 is: 80,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,829.86 : 163,280.07 = 53,386.98 : x
  2. Step 2: Convert to fraction form
    108,829.86/163,280.07 = 53,386.98/x
  3. Step 3: Cross multiply
    108,829.86x = 163,280.07 × 53,386.98
  4. Step 4: Simplify right side
    108,829.86x = 8,717,029,831.49
  5. Step 5: Solve for x
    x = 8,717,029,831.49/108,829.86
  6. Step 6: Final answer
    x = 80,097.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.