Home / 88,316.64-121,880.16-50,598.18

Finding the Fourth Proportional to 88,316.64, 121,880.16 and 50,598.18

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Solution

The fourth proportional to 88,316.64, 121,880.16 and 50,598.18 is: 69,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,316.64 : 121,880.16 = 50,598.18 : x
  2. Step 2: Convert to fraction form
    88,316.64/121,880.16 = 50,598.18/x
  3. Step 3: Cross multiply
    88,316.64x = 121,880.16 × 50,598.18
  4. Step 4: Simplify right side
    88,316.64x = 6,166,914,274.11
  5. Step 5: Solve for x
    x = 6,166,914,274.11/88,316.64
  6. Step 6: Final answer
    x = 69,827.32

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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.