Home / 78,526.21-117,492.07-46,522.46

Finding the Fourth Proportional to 78,526.21, 117,492.07 and 46,522.46

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Solution

The fourth proportional to 78,526.21, 117,492.07 and 46,522.46 is: 69,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,526.21 : 117,492.07 = 46,522.46 : x
  2. Step 2: Convert to fraction form
    78,526.21/117,492.07 = 46,522.46/x
  3. Step 3: Cross multiply
    78,526.21x = 117,492.07 × 46,522.46
  4. Step 4: Simplify right side
    78,526.21x = 5,466,020,126.89
  5. Step 5: Solve for x
    x = 5,466,020,126.89/78,526.21
  6. Step 6: Final answer
    x = 69,607.59

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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.