Home / 113,583.13-156,599.16-93,089.77

Finding the Fourth Proportional to 113,583.13, 156,599.16 and 93,089.77

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Solution

The fourth proportional to 113,583.13, 156,599.16 and 93,089.77 is: 128,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,583.13 : 156,599.16 = 93,089.77 : x
  2. Step 2: Convert to fraction form
    113,583.13/156,599.16 = 93,089.77/x
  3. Step 3: Cross multiply
    113,583.13x = 156,599.16 × 93,089.77
  4. Step 4: Simplify right side
    113,583.13x = 14,577,779,786.59
  5. Step 5: Solve for x
    x = 14,577,779,786.59/113,583.13
  6. Step 6: Final answer
    x = 128,344.59

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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.