Home / 92,948.60-128,270.24-50,507.84

Finding the Fourth Proportional to 92,948.60, 128,270.24 and 50,507.84

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Solution

The fourth proportional to 92,948.60, 128,270.24 and 50,507.84 is: 69,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,948.60 : 128,270.24 = 50,507.84 : x
  2. Step 2: Convert to fraction form
    92,948.60/128,270.24 = 50,507.84/x
  3. Step 3: Cross multiply
    92,948.60x = 128,270.24 × 50,507.84
  4. Step 4: Simplify right side
    92,948.60x = 6,478,651,864.79
  5. Step 5: Solve for x
    x = 6,478,651,864.79/92,948.60
  6. Step 6: Final answer
    x = 69,701.45

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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.