Home / 74,303.46-102,536.76-45,220.90

Finding the Fourth Proportional to 74,303.46, 102,536.76 and 45,220.90

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Solution

The fourth proportional to 74,303.46, 102,536.76 and 45,220.90 is: 62,403.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,303.46 : 102,536.76 = 45,220.90 : x
  2. Step 2: Convert to fraction form
    74,303.46/102,536.76 = 45,220.90/x
  3. Step 3: Cross multiply
    74,303.46x = 102,536.76 × 45,220.90
  4. Step 4: Simplify right side
    74,303.46x = 4,636,804,570.28
  5. Step 5: Solve for x
    x = 4,636,804,570.28/74,303.46
  6. Step 6: Final answer
    x = 62,403.62

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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.