Home / 53,291.52-79,946.88-26,651.40

Finding the Fourth Proportional to 53,291.52, 79,946.88 and 26,651.40

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Solution

The fourth proportional to 53,291.52, 79,946.88 and 26,651.40 is: 39,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,291.52 : 79,946.88 = 26,651.40 : x
  2. Step 2: Convert to fraction form
    53,291.52/79,946.88 = 26,651.40/x
  3. Step 3: Cross multiply
    53,291.52x = 79,946.88 × 26,651.40
  4. Step 4: Simplify right side
    53,291.52x = 2,130,696,277.63
  5. Step 5: Solve for x
    x = 2,130,696,277.63/53,291.52
  6. Step 6: Final answer
    x = 39,981.90

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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.