Home / 88,674.16-122,385.56-84,688.24

Finding the Fourth Proportional to 88,674.16, 122,385.56 and 84,688.24

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Solution

The fourth proportional to 88,674.16, 122,385.56 and 84,688.24 is: 116,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,674.16 : 122,385.56 = 84,688.24 : x
  2. Step 2: Convert to fraction form
    88,674.16/122,385.56 = 84,688.24/x
  3. Step 3: Cross multiply
    88,674.16x = 122,385.56 × 84,688.24
  4. Step 4: Simplify right side
    88,674.16x = 10,364,617,677.81
  5. Step 5: Solve for x
    x = 10,364,617,677.81/88,674.16
  6. Step 6: Final answer
    x = 116,884.31

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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.