Home / 53,877.53-74,312.75-45,755.10

Finding the Fourth Proportional to 53,877.53, 74,312.75 and 45,755.10

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Solution

The fourth proportional to 53,877.53, 74,312.75 and 45,755.10 is: 63,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,877.53 : 74,312.75 = 45,755.10 : x
  2. Step 2: Convert to fraction form
    53,877.53/74,312.75 = 45,755.10/x
  3. Step 3: Cross multiply
    53,877.53x = 74,312.75 × 45,755.10
  4. Step 4: Simplify right side
    53,877.53x = 3,400,187,307.53
  5. Step 5: Solve for x
    x = 3,400,187,307.53/53,877.53
  6. Step 6: Final answer
    x = 63,109.56

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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.