Home / 78,477.08-117,599.83-46,423.00

Finding the Fourth Proportional to 78,477.08, 117,599.83 and 46,423.00

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Solution

The fourth proportional to 78,477.08, 117,599.83 and 46,423.00 is: 69,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,477.08 : 117,599.83 = 46,423.00 : x
  2. Step 2: Convert to fraction form
    78,477.08/117,599.83 = 46,423.00/x
  3. Step 3: Cross multiply
    78,477.08x = 117,599.83 × 46,423.00
  4. Step 4: Simplify right side
    78,477.08x = 5,459,337,515.68
  5. Step 5: Solve for x
    x = 5,459,337,515.68/78,477.08
  6. Step 6: Final answer
    x = 69,566.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.