Home / 74,665.04-103,037.52-40,675.40

Finding the Fourth Proportional to 74,665.04, 103,037.52 and 40,675.40

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Solution

The fourth proportional to 74,665.04, 103,037.52 and 40,675.40 is: 56,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,665.04 : 103,037.52 = 40,675.40 : x
  2. Step 2: Convert to fraction form
    74,665.04/103,037.52 = 40,675.40/x
  3. Step 3: Cross multiply
    74,665.04x = 103,037.52 × 40,675.40
  4. Step 4: Simplify right side
    74,665.04x = 4,191,092,341.01
  5. Step 5: Solve for x
    x = 4,191,092,341.01/74,665.04
  6. Step 6: Final answer
    x = 56,131.92

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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.