Home / 74,685.19-103,206.42-58,895.05

Finding the Fourth Proportional to 74,685.19, 103,206.42 and 58,895.05

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Solution

The fourth proportional to 74,685.19, 103,206.42 and 58,895.05 is: 81,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,685.19 : 103,206.42 = 58,895.05 : x
  2. Step 2: Convert to fraction form
    74,685.19/103,206.42 = 58,895.05/x
  3. Step 3: Cross multiply
    74,685.19x = 103,206.42 × 58,895.05
  4. Step 4: Simplify right side
    74,685.19x = 6,078,347,266.22
  5. Step 5: Solve for x
    x = 6,078,347,266.22/74,685.19
  6. Step 6: Final answer
    x = 81,386.25

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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.