Home / 92,890.67-128,184.98-52,603.58

Finding the Fourth Proportional to 92,890.67, 128,184.98 and 52,603.58

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Solution

The fourth proportional to 92,890.67, 128,184.98 and 52,603.58 is: 72,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,890.67 : 128,184.98 = 52,603.58 : x
  2. Step 2: Convert to fraction form
    92,890.67/128,184.98 = 52,603.58/x
  3. Step 3: Cross multiply
    92,890.67x = 128,184.98 × 52,603.58
  4. Step 4: Simplify right side
    92,890.67x = 6,742,988,587.21
  5. Step 5: Solve for x
    x = 6,742,988,587.21/92,890.67
  6. Step 6: Final answer
    x = 72,590.59

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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.