Home / 58,780.71-88,159.28-28,782.02

Finding the Fourth Proportional to 58,780.71, 88,159.28 and 28,782.02

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Solution

The fourth proportional to 58,780.71, 88,159.28 and 28,782.02 is: 43,167.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,780.71 : 88,159.28 = 28,782.02 : x
  2. Step 2: Convert to fraction form
    58,780.71/88,159.28 = 28,782.02/x
  3. Step 3: Cross multiply
    58,780.71x = 88,159.28 × 28,782.02
  4. Step 4: Simplify right side
    58,780.71x = 2,537,402,236.63
  5. Step 5: Solve for x
    x = 2,537,402,236.63/58,780.71
  6. Step 6: Final answer
    x = 43,167.26

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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.