Home / 74,959.51-103,434.12-48,138.35

Finding the Fourth Proportional to 74,959.51, 103,434.12 and 48,138.35

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Solution

The fourth proportional to 74,959.51, 103,434.12 and 48,138.35 is: 66,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,959.51 : 103,434.12 = 48,138.35 : x
  2. Step 2: Convert to fraction form
    74,959.51/103,434.12 = 48,138.35/x
  3. Step 3: Cross multiply
    74,959.51x = 103,434.12 × 48,138.35
  4. Step 4: Simplify right side
    74,959.51x = 4,979,147,533.85
  5. Step 5: Solve for x
    x = 4,979,147,533.85/74,959.51
  6. Step 6: Final answer
    x = 66,424.50

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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.