Home / 77,335.04-106,740.43-50,430.68

Finding the Fourth Proportional to 77,335.04, 106,740.43 and 50,430.68

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Solution

The fourth proportional to 77,335.04, 106,740.43 and 50,430.68 is: 69,606.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,335.04 : 106,740.43 = 50,430.68 : x
  2. Step 2: Convert to fraction form
    77,335.04/106,740.43 = 50,430.68/x
  3. Step 3: Cross multiply
    77,335.04x = 106,740.43 × 50,430.68
  4. Step 4: Simplify right side
    77,335.04x = 5,382,992,609.17
  5. Step 5: Solve for x
    x = 5,382,992,609.17/77,335.04
  6. Step 6: Final answer
    x = 69,606.13

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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.