Home / 88,117.04-121,580.52-50,390.48

Finding the Fourth Proportional to 88,117.04, 121,580.52 and 50,390.48

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Solution

The fourth proportional to 88,117.04, 121,580.52 and 50,390.48 is: 69,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,117.04 : 121,580.52 = 50,390.48 : x
  2. Step 2: Convert to fraction form
    88,117.04/121,580.52 = 50,390.48/x
  3. Step 3: Cross multiply
    88,117.04x = 121,580.52 × 50,390.48
  4. Step 4: Simplify right side
    88,117.04x = 6,126,500,761.45
  5. Step 5: Solve for x
    x = 6,126,500,761.45/88,117.04
  6. Step 6: Final answer
    x = 69,526.86

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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.