Home / 92,017.25-138,058.28-45,302.93

Finding the Fourth Proportional to 92,017.25, 138,058.28 and 45,302.93

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Solution

The fourth proportional to 92,017.25, 138,058.28 and 45,302.93 is: 67,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,017.25 : 138,058.28 = 45,302.93 : x
  2. Step 2: Convert to fraction form
    92,017.25/138,058.28 = 45,302.93/x
  3. Step 3: Cross multiply
    92,017.25x = 138,058.28 × 45,302.93
  4. Step 4: Simplify right side
    92,017.25x = 6,254,444,368.25
  5. Step 5: Solve for x
    x = 6,254,444,368.25/92,017.25
  6. Step 6: Final answer
    x = 67,970.35

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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.