Home / 72,774.24-100,423.08-40,937.01

Finding the Fourth Proportional to 72,774.24, 100,423.08 and 40,937.01

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Solution

The fourth proportional to 72,774.24, 100,423.08 and 40,937.01 is: 56,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,774.24 : 100,423.08 = 40,937.01 : x
  2. Step 2: Convert to fraction form
    72,774.24/100,423.08 = 40,937.01/x
  3. Step 3: Cross multiply
    72,774.24x = 100,423.08 × 40,937.01
  4. Step 4: Simplify right side
    72,774.24x = 4,111,020,630.19
  5. Step 5: Solve for x
    x = 4,111,020,630.19/72,774.24
  6. Step 6: Final answer
    x = 56,490.05

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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.