Home / 88,117.56-121,627.89-53,674.74

Finding the Fourth Proportional to 88,117.56, 121,627.89 and 53,674.74

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Solution

The fourth proportional to 88,117.56, 121,627.89 and 53,674.74 is: 74,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,117.56 : 121,627.89 = 53,674.74 : x
  2. Step 2: Convert to fraction form
    88,117.56/121,627.89 = 53,674.74/x
  3. Step 3: Cross multiply
    88,117.56x = 121,627.89 × 53,674.74
  4. Step 4: Simplify right side
    88,117.56x = 6,528,345,372.50
  5. Step 5: Solve for x
    x = 6,528,345,372.50/88,117.56
  6. Step 6: Final answer
    x = 74,086.77

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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.