Home / 74,672.93-103,048.23-40,681.35

Finding the Fourth Proportional to 74,672.93, 103,048.23 and 40,681.35

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Solution

The fourth proportional to 74,672.93, 103,048.23 and 40,681.35 is: 56,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,672.93 : 103,048.23 = 40,681.35 : x
  2. Step 2: Convert to fraction form
    74,672.93/103,048.23 = 40,681.35/x
  3. Step 3: Cross multiply
    74,672.93x = 103,048.23 × 40,681.35
  4. Step 4: Simplify right side
    74,672.93x = 4,192,141,111.51
  5. Step 5: Solve for x
    x = 4,192,141,111.51/74,672.93
  6. Step 6: Final answer
    x = 56,140.04

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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.