Home / 74,526.89-102,844.12-40,535.40

Finding the Fourth Proportional to 74,526.89, 102,844.12 and 40,535.40

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Solution

The fourth proportional to 74,526.89, 102,844.12 and 40,535.40 is: 55,937.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,526.89 : 102,844.12 = 40,535.40 : x
  2. Step 2: Convert to fraction form
    74,526.89/102,844.12 = 40,535.40/x
  3. Step 3: Cross multiply
    74,526.89x = 102,844.12 × 40,535.40
  4. Step 4: Simplify right side
    74,526.89x = 4,168,827,391.70
  5. Step 5: Solve for x
    x = 4,168,827,391.70/74,526.89
  6. Step 6: Final answer
    x = 55,937.23

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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.