Home / 88,784.30-122,465.32-54,312.93

Finding the Fourth Proportional to 88,784.30, 122,465.32 and 54,312.93

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Solution

The fourth proportional to 88,784.30, 122,465.32 and 54,312.93 is: 74,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,784.30 : 122,465.32 = 54,312.93 : x
  2. Step 2: Convert to fraction form
    88,784.30/122,465.32 = 54,312.93/x
  3. Step 3: Cross multiply
    88,784.30x = 122,465.32 × 54,312.93
  4. Step 4: Simplify right side
    88,784.30x = 6,651,450,216.81
  5. Step 5: Solve for x
    x = 6,651,450,216.81/88,784.30
  6. Step 6: Final answer
    x = 74,916.96

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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.