Home / 74,417.17-102,696.50-40,426.06

Finding the Fourth Proportional to 74,417.17, 102,696.50 and 40,426.06

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Solution

The fourth proportional to 74,417.17, 102,696.50 and 40,426.06 is: 55,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,417.17 : 102,696.50 = 40,426.06 : x
  2. Step 2: Convert to fraction form
    74,417.17/102,696.50 = 40,426.06/x
  3. Step 3: Cross multiply
    74,417.17x = 102,696.50 × 40,426.06
  4. Step 4: Simplify right side
    74,417.17x = 4,151,614,870.79
  5. Step 5: Solve for x
    x = 4,151,614,870.79/74,417.17
  6. Step 6: Final answer
    x = 55,788.40

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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.