Home / 45,501.70-68,252.55-42,909.70

Finding the Fourth Proportional to 45,501.70, 68,252.55 and 42,909.70

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Solution

The fourth proportional to 45,501.70, 68,252.55 and 42,909.70 is: 64,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,501.70 : 68,252.55 = 42,909.70 : x
  2. Step 2: Convert to fraction form
    45,501.70/68,252.55 = 42,909.70/x
  3. Step 3: Cross multiply
    45,501.70x = 68,252.55 × 42,909.70
  4. Step 4: Simplify right side
    45,501.70x = 2,928,696,444.74
  5. Step 5: Solve for x
    x = 2,928,696,444.74/45,501.70
  6. Step 6: Final answer
    x = 64,364.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.