Home / 63,140.15-87,131.12-34,845.23

Finding the Fourth Proportional to 63,140.15, 87,131.12 and 34,845.23

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Solution

The fourth proportional to 63,140.15, 87,131.12 and 34,845.23 is: 48,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,140.15 : 87,131.12 = 34,845.23 : x
  2. Step 2: Convert to fraction form
    63,140.15/87,131.12 = 34,845.23/x
  3. Step 3: Cross multiply
    63,140.15x = 87,131.12 × 34,845.23
  4. Step 4: Simplify right side
    63,140.15x = 3,036,103,960.16
  5. Step 5: Solve for x
    x = 3,036,103,960.16/63,140.15
  6. Step 6: Final answer
    x = 48,085.15

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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.