Home / 72,252.84-99,707.16-40,424.76

Finding the Fourth Proportional to 72,252.84, 99,707.16 and 40,424.76

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Solution

The fourth proportional to 72,252.84, 99,707.16 and 40,424.76 is: 55,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,252.84 : 99,707.16 = 40,424.76 : x
  2. Step 2: Convert to fraction form
    72,252.84/99,707.16 = 40,424.76/x
  3. Step 3: Cross multiply
    72,252.84x = 99,707.16 × 40,424.76
  4. Step 4: Simplify right side
    72,252.84x = 4,030,638,013.28
  5. Step 5: Solve for x
    x = 4,030,638,013.28/72,252.84
  6. Step 6: Final answer
    x = 55,785.18

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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.