Home / 53,690.14-74,085.69-29,813.57

Finding the Fourth Proportional to 53,690.14, 74,085.69 and 29,813.57

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Solution

The fourth proportional to 53,690.14, 74,085.69 and 29,813.57 is: 41,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,690.14 : 74,085.69 = 29,813.57 : x
  2. Step 2: Convert to fraction form
    53,690.14/74,085.69 = 29,813.57/x
  3. Step 3: Cross multiply
    53,690.14x = 74,085.69 × 29,813.57
  4. Step 4: Simplify right side
    53,690.14x = 2,208,758,756.31
  5. Step 5: Solve for x
    x = 2,208,758,756.31/53,690.14
  6. Step 6: Final answer
    x = 41,139.00

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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.