Home / 72,376.03-99,883.02-40,555.18

Finding the Fourth Proportional to 72,376.03, 99,883.02 and 40,555.18

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Solution

The fourth proportional to 72,376.03, 99,883.02 and 40,555.18 is: 55,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,376.03 : 99,883.02 = 40,555.18 : x
  2. Step 2: Convert to fraction form
    72,376.03/99,883.02 = 40,555.18/x
  3. Step 3: Cross multiply
    72,376.03x = 99,883.02 × 40,555.18
  4. Step 4: Simplify right side
    72,376.03x = 4,050,774,131.98
  5. Step 5: Solve for x
    x = 4,050,774,131.98/72,376.03
  6. Step 6: Final answer
    x = 55,968.45

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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.