Home / 74,223.87-102,430.07-42,392.82

Finding the Fourth Proportional to 74,223.87, 102,430.07 and 42,392.82

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Solution

The fourth proportional to 74,223.87, 102,430.07 and 42,392.82 is: 58,502.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,223.87 : 102,430.07 = 42,392.82 : x
  2. Step 2: Convert to fraction form
    74,223.87/102,430.07 = 42,392.82/x
  3. Step 3: Cross multiply
    74,223.87x = 102,430.07 × 42,392.82
  4. Step 4: Simplify right side
    74,223.87x = 4,342,299,520.10
  5. Step 5: Solve for x
    x = 4,342,299,520.10/74,223.87
  6. Step 6: Final answer
    x = 58,502.74

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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.