Home / 61,938.13-85,459.95-36,445.60

Finding the Fourth Proportional to 61,938.13, 85,459.95 and 36,445.60

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Solution

The fourth proportional to 61,938.13, 85,459.95 and 36,445.60 is: 50,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,938.13 : 85,459.95 = 36,445.60 : x
  2. Step 2: Convert to fraction form
    61,938.13/85,459.95 = 36,445.60/x
  3. Step 3: Cross multiply
    61,938.13x = 85,459.95 × 36,445.60
  4. Step 4: Simplify right side
    61,938.13x = 3,114,639,153.72
  5. Step 5: Solve for x
    x = 3,114,639,153.72/61,938.13
  6. Step 6: Final answer
    x = 50,286.30

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1.5x scale

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.