Home / 88,097.40-121,574.48-47,811.16

Finding the Fourth Proportional to 88,097.40, 121,574.48 and 47,811.16

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Solution

The fourth proportional to 88,097.40, 121,574.48 and 47,811.16 is: 65,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,097.40 : 121,574.48 = 47,811.16 : x
  2. Step 2: Convert to fraction form
    88,097.40/121,574.48 = 47,811.16/x
  3. Step 3: Cross multiply
    88,097.40x = 121,574.48 × 47,811.16
  4. Step 4: Simplify right side
    88,097.40x = 5,812,616,915.20
  5. Step 5: Solve for x
    x = 5,812,616,915.20/88,097.40
  6. Step 6: Final answer
    x = 65,979.44

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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.