Home / 78,058.42-116,993.35-38,017.40

Finding the Fourth Proportional to 78,058.42, 116,993.35 and 38,017.40

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Solution

The fourth proportional to 78,058.42, 116,993.35 and 38,017.40 is: 56,980.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,058.42 : 116,993.35 = 38,017.40 : x
  2. Step 2: Convert to fraction form
    78,058.42/116,993.35 = 38,017.40/x
  3. Step 3: Cross multiply
    78,058.42x = 116,993.35 × 38,017.40
  4. Step 4: Simplify right side
    78,058.42x = 4,447,782,561.01
  5. Step 5: Solve for x
    x = 4,447,782,561.01/78,058.42
  6. Step 6: Final answer
    x = 56,980.17

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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.